Triangles are similar Find the value of x.
Please help Thank you in advanced ​

Triangles Are Similar Find The Value Of X.Please Help Thank You In Advanced

Answers

Answer 1

Answer:

x=36

Step-by-step explanation:

14/42=12/x

14x=12(42)

14x=504

x=36


Related Questions

Iready quiz on linear models. When you answer can you provide an explanation please. Thank you much!

Answers

Linear models are mathematical representations used to describe the relationship between two variables. They can be expressed in the form of a linear equation, y = mx + b, where y represents the dependent variable, x represents the independent variable, m represents the slope, and b represents the y-intercept.

In mathematics, a linear model is a way to represent the relationship between two variables using a straight line. The equation of a linear model is typically written as y = mx + b, where y is the dependent variable, x is the independent variable, m is the slope of the line, and b is the y-intercept (the point where the line crosses the y-axis).

The slope, m, determines the steepness of the line. It represents how much the dependent variable (y) changes for each unit increase in the independent variable (x). A positive slope indicates a positive relationship, where y increases as x increases. A negative slope indicates a negative relationship, where y decreases as x increases. A slope of zero represents a horizontal line, indicating no relationship between the variables.

The y-intercept, b, is the value of y when x is zero. It represents the starting point of the line on the y-axis. It gives an initial value for the dependent variable before considering the effect of the independent variable.

Overall, linear models are useful for analyzing and predicting the relationship between two variables in a simple and straightforward manner. They provide insights into how changes in the independent variable affect the dependent variable and help make predictions based on the observed data.

Learn more about independent variable here:

https://brainly.com/question/29668313

#SPJ11

Florence thinks of a whole number, which she calls x. She multiplies it by 4 then adds 14 to the result. ..She calls this new number y. a) Find.an expression for Florence's new number, y. b) Factorise the expression you found in part a). c) Write a sentence to explain how you know from your answer to part b) that y is a multiple of 2.​

Answers

The expression for the statement is y = 4x + 14.

Understanding Expression and How to simplify it

a) Expression for Florence's new number

Since Florence multiplies the whole number x by 4 and then adds 14 to the result. Therefore, the expression for y is:

y = 4x + 14

b) Factorization of Equation

To factorize the expression:

y = 4x + 14

We can look for common factors. In this case, there are no common factors to factorize further. Therefore, the expression remains as:

y = 4x + 14 = 2(2x + 7)

c) Explanation of answer

We can see that the expression for y contains the term 4x. Since 4 is a multiple of 2, it implies that 4x is also a multiple of 2. Adding 14 to any multiple of 2 will still result in an even number because even + even = even.

Therefore, we can conclude that y, which is equal to 4x + 14, is a multiple of 2.

Learn more about expression here:

https://brainly.com/question/1859113

#SPJ1

evaluate the iterated integral. 3 1 8z 0 ln(x) 0 xe−y dy dx dz

Answers

The original iterated integral evaluates to ∫∫∫ R 8z ln(x) xe^(-y) dy dx dz [-8/3e^(-3)ln(3) - 8/3e^(-3) + 8].

We begin by evaluating the inner integral with respect to y:

∫[0, x] xe^(-y) ln(y) dy

Using integration by parts, we can let u = ln(y) and dv = xe^(-y) dy, which gives du = 1/y dy and v = -xe^(-y).

Then, we have:

∫[0, x] xe^(-y) ln(y) dy = [-xe^(-y)ln(y)]|[0,x] + ∫[0,x] x/y e^(-y) dy

Evaluating the limits of integration and simplifying the remaining integral, we get:

∫[0, x] xe^(-y) ln(y) dy = -xe^0ln(0) + xe^(-x)ln(x) + ∫[0,x] xe^(-y) / y dy

Since ln(0) is undefined, we use L'Hopital's rule to evaluate the first term as the limit of -xln(x) as x approaches 0, which is equal to 0.

The second term simplifies to xe^(-x)ln(x), which we leave in this form.

The remaining integral can be evaluated using the exponential integral function, Ei(x):

∫[0,x] xe^(-y) / y dy = Ei(-x) - Ei(0)

Therefore, the inner integral evaluates to:

∫[0, x] xe^(-y) ln(y) dy = xe^(-x)ln(x) + Ei(-x) - Ei(0)

Now we can evaluate the middle integral with respect to x:

∫[0, 3] [xe^(-x)ln(x) + Ei(-x) - Ei(0)] dx

We can use integration by parts again to evaluate the first term, letting u = ln(x) and dv = xe^(-x) dx, which gives du = 1/x dx and v = -e^(-x)x.

Then, we have:

∫[0, 3] xe^(-x)ln(x) dx = [-e^(-x) x ln(x)]|[0,3] + ∫[0,3] e^(-x) dx

Evaluating the limits of integration and simplifying the remaining integral, we get:

∫[0, 3] xe^(-x)ln(x) dx = -3e^(-3)ln(3) - e^(-3) + 1

The remaining integrals are:

∫[0, 3] Ei(-x) dx = Ei(-3) - Ei(0)

∫[0, 3] Ei(0) dx = 3Ei(0)

Therefore, the original iterated integral evaluates to:

∫∫∫ R 8z ln(x) xe^(-y) dy dx dz

= ∫[0, 3] ∫[0, x] ∫[0, 8z] xe^(-y) ln(y) dy dz dx

= ∫[0, 3] ∫[0, x] [xe^(-x)ln(x) + Ei(-x) - Ei(0)] dz dx

= ∫[0, 3] [8/3xe^(-x)ln(x) + 8Ei(-x) - 8Ei(0)] dx

= [-8/3e^(-3)ln(3) - 8/3e^(-3) + 8]

Learn more about iterated integral here

https://brainly.com/question/30216057

#SPJ11

simplify to an expression of the form (a sin()). 6 sin 6 6 cos 6

Answers

The expression in the form of (a sin()) is 12 sin 6 sin (42). This is the simplified form of the original expression.


To simplify the expression 6 sin 6 6 cos 6 into an expression of the form (a sin()), we need to use the identity sin^2(x) + cos^2(x) = 1. We can rewrite 6 cos 6 as 6 sin (90-6) using the identity sin(x+y) = sin(x)cos(y) + cos(x)sin(y). Therefore, our expression becomes 6 sin 6 6 sin (84).
Now, using the identity sin(x-y) = sin(x)cos(y) - cos(x)sin(y), we can simplify further to get:
6 sin 6 6 sin (90-6)
= 6 sin 6 6 sin 6cos(84)
= 6 sin 6 (2 sin 6 cos 84)
= 12 sin 6 sin (42).
Therefore, the expression in the form of (a sin()) is 12 sin 6 sin (42). This is the simplified form of the original expression.
In summary, to simplify an expression to the form (a sin()), we need to use trigonometric identities and manipulate the expression until it is in the desired form. In this case, we used the identities sin(x+y) and sin(x-y) to simplify the expression 6 sin 6 6 cos 6 into the expression 12 sin 6 sin (42).

To know more about sin(x) visit :

https://brainly.com/question/29923110

#SPJ11

Find the consumers' surplus at a certain price level Question Find the consumers' surplus at a price level of p= 7 for the demand equation D(q) = 30 – 0.19 where q is quantity. Do not include a dollar sign in your answer

Answers

The consumer's surplus at a price level of p = 7 for the demand equation D(q) = 30 - 0.19q is $4.70.

Consumer's surplus represents the difference between the maximum amount consumers are willing to pay for a good and the actual price they pay. It can be calculated as the area between the demand curve and the price level.

For the given demand equation, when the price level is p = 7, we can substitute this value into the equation and solve for quantity q: D(q) = 30 - 0.19q = 7. By solving this equation, we find q ≈ 115.7895.

To calculate the consumer's surplus, we need to find the area between the demand curve and the price level from q = 0 to q = 115.7895.

Using the formula for the area of a triangle, we have: (1/2) * 7 * 115.7895 = 405.76825.

Therefore, the consumer's surplus at a price level of p = 7 is approximately $4.70.

Learn more about demand curve here: brainly.com/question/7451501

#SPJ11

The total cost for a waiting line does NOT specifically depend ona.the cost of waiting.b.the cost of service.c.the number of units in the system.d.the cost of a lost customer.

Answers

The total cost for a waiting line does NOT specifically depend on d. the cost of a lost customer.

The cost of a waiting line system is typically determined by the cost of waiting and the cost of providing service. The cost of waiting can include factors such as the value of customers' time and the negative impact of waiting on customer satisfaction. The cost of service can include factors such as employee wages and overhead costs. The number of units in the system can also have an impact on the total cost, as higher demand may require more resources and lead to longer wait times. However, the cost of a lost customer is not typically considered a direct cost of the waiting line system, as it is not directly related to the operation of the system itself but rather to the potential impact on business revenue and customer loyalty.

Learn more about customer here

https://brainly.com/question/12831236

#SPJ11

Decide whether the following statement makes sense​ (or is clearly​ true) or does not make sense​ (or is clearly​ false). Explain your reasoning. I estimate that the probability of my getting married in the next 3 years is 0.7. math

Answers

The statement "I estimate that the probability of my getting married in the next 3 years is 0.7" does make sense.

As individuals, we can make personal estimates or predictions about events that are relevant to our lives, such as the probability of getting married in a certain timeframe. These estimates are based on our own subjective beliefs, experiences, and expectations. While they may not be based on precise mathematical calculations or rigorous statistical analysis, they can still reflect our personal opinions or perceptions.

In this case, the person is providing an estimate that they believe there is a 0.7 (or 70%) probability of getting married within the next 3 years. This estimate is a subjective assessment of their own chances based on various factors such as their current relationship status, personal goals, or cultural norms.

It is important to note that personal estimates like this are not necessarily based on concrete evidence or universally applicable probabilities. They can vary greatly from person to person and are subjective in nature. However, they can still hold personal meaning and influence one's decision-making or expectations regarding future events.

Learn more about probability here:

https://brainly.com/question/31828911

#SPJ11

Need Help!
Jackie created a cross section cut on a sphere. What plane figure did she discover after making the cut?

A: Oval
B: Triangle
C: Circle
D: Square

Answers

Answer:

probably A

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

When you cut a sphere, you get a circle

Which resource in Tableau can you use to ask questions, get answers, and connect with other Tableau users? Select an answer: Manuals & Guides How-To & Troubleshooting Data Source Page Community

Answers

The resource in Tableau that you can use to ask questions, get answers, and connect with other Tableau users is the Community.

The Tableau Community is a resource where users can connect with other Tableau users, ask questions, share knowledge, and get support. It is a platform for collaboration and learning, where users can find answers to their questions and learn from others in the community. The Community includes forums, user groups, blogs, and other resources where users can share ideas, best practices, and tips and tricks. It is a great resource for anyone looking to improve their Tableau skills or get help with a specific issue. The Tableau Community is a valuable tool for users of all skill levels, from beginners to experts, and is an essential part of the Tableau ecosystem.

Learn more about resource here

https://brainly.com/question/30553474

#SPJ11

Guided Practice




Suppose you have $500 to deposit into an account. Your goal is to have $595 in that account at the end of the second year. The formula r= A P −1 gives the interest rate r that will allow principal P to grow into amount A in two years, if the interest is compounded annually. Use the formula to find the interest rate you would need to meet your goal.




A.


8. 4%




B.


19%




C.


9. 1%

Answers

Solution:The formula for the interest rate that will allow principal P to grow into amount A in two years, if the interest is compounded annually isr= A P-1We are given that we have $500 to deposit into an account and our goal is to have $595 in that account at the end of the second year.Hence, initial amount P = $500, A = $595 and t = 2 yearsPutting these values in the formula, we have:r= A P-1r= 595 500-1r= 1.19-1r= 0.19 or 19%Therefore, the interest rate required is 19%.Answer: B. 19%.

Learn more about Initial amount here,What is the initial value.

https://brainly.com/question/10155554

#SPJ11

Triangle ABC, A (1,7), B (3, 4), and C (6,5) is reflected across the y-axis then translated left five units to form Triangle A'B'C'

Select true or false for each statement
• Side A'B' is the same length as side AB __ • Triangle ABC and Triangle A'B'C' are similar but not congruent ___
• Triangle ABC and Triangle A'B'C' are similar and congruent ___

Answers

To state true or false for the statements about the reflected triangle, we have:

A. Side A'B' is the same length as side AB  is false.

B. Triangle ABC and Triangle A'B'C' are similar but not congruent is true.

C. Triangle ABC and Triangle A'B'C' are similar and congruent is false.

What happens when a triangle is reflected?

A. Side A'B' is the same length as side AB  is False.

A triangle reflected across the y-axis changes the sign of the x-coordinates of its vertices, but the y-coordinates do not change. Here, the x-coordinate of point A' would now be -1, that of point B' would be -3, and that of point C' would be -6. The y-coordinates would not change. So, the length of sides A'B' and AB would not be the same.

B. Triangle ABC and Triangle A'B'C' are similar but not congruent is true.

If a triangle is reflected and translated, its overall shape and size remain the same, but its direction changes. The triangles that result from it would be similar because their angles would be the same, but they would not be congruent because the lengths of their sides would be different.

C. Triangle ABC and Triangle A'B'C' are similar and congruent is false.

As explained in statement B, the triangles would be similar but not congruent. Triangles that are similar have equal angles but their corresponding sides are of the same ratio.

Learn more about reflected triangles at brainly.com/answer/expert verified

#SPJ1

Write the equation in standard form for the circle with center (0,8) passing through (0,7/2)

Answers

The equation of the circle is 4x² + 4y² - 64y + 207 = 0

Given data ,

To write the equation in standard form for the circle with center (0,8) passing through (0,7/2), we can use the standard form equation of a circle:

(x - h)² + (y - k)² = r²

where (h,k) is the center of the circle and r is the radius. Substituting the given values, we have:

(x - 0)² + (y - 8)² = r²

Now, we need to find the value of r. We know that the circle passes through the point (0,7/2), so we can substitute these values and solve for r:

(0 - 0)² + (7/2 - 8)² = r²

(-7/2)² = r²

49/4 = r²

r = ± 7/2

We take the positive value of r since radius can't be negative. So, the equation of the circle in standard form is:

x² + (y - 8)² = (7/2)²

Expanding and simplifying, we get:

x^2 + y^2 - 16y + 64 = 49/4

Multiplying by 4 to get rid of the fraction, we get:

4x² + 4y² - 64y + 256 = 49

Hence , equation of the circle in standard form 4x² + 4y² - 64y + 207 = 0

To learn more about circle click :

https://brainly.com/question/28391204

#SPJ1

The rates of change in population for two cities are P"(ty - 45 for Alphaville and c'!) - 105004 for Betaburgh, where t is the number of years since 1990, and P and are measured in people per year. In 1990, Alphaville had a population of 5500 and Betaburgh had a population of 3000 Answer parts a) through c) a) Determine the population models for both cities The population model for Alphaville is PU-

Answers

a) The population model for Betaburgh is:P(t) = -105004t + 3000 b) The population of Alphaville in 2005 was approximately 5062 people. c) The population of Betaburgh will be 5000 people 0.019 years (or approximately 7 days) after 1990.

a) The population model for Alphaville is given by:

P"(t) = 45

Integrating with respect to t twice, we get:

P'(t) = 45t + C1

where C1 is a constant of integration.

Integrating P'(t) with respect to t, we get:

P(t) = (45/2)t^2 + C1t + C2

where C2 is another constant of integration.

Using the initial condition that Alphaville had a population of 5500 in 1990 (when t=0), we get:

P(0) = C2 = 5500

Therefore, the population model for Alphaville is:

P(t) = (45/2)t^2 + C1t + 5500

Similarly, the population model for Betaburgh is given by:

P'(t) = -105004

Integrating P'(t) with respect to t, we get:

P(t) = -105004t + C3

where C3 is a constant of integration.

Using the initial condition that Betaburgh had a population of 3000 in 1990 (when t=0), we get:

P(0) = C3 = 3000

Therefore, the population model for Betaburgh is:

P(t) = -105004t + 3000

b) To find the population of Alphaville in 2005 (when t=15), we plug in t=15 into the population model:

P(15) = (45/2)(15)^2 + C1(15) + 5500

We still need to find the value of C1. To do this, we use the fact that the rate of change in population in Alphaville was 45 people per year in 1990 (when t=0):

P'(0) = 45 = C1

Substituting this value into the population model, we get:

P(15) = (45/2)(15)^2 + 45(15) + 5500

P(15) = 5062.5

Therefore, the population of Alphaville in 2005 was approximately 5062 people.

c)

To find when the population of Betaburgh will be 5000, we plug in P(t)=5000 into the population model and solve for t:

-105004t + 3000 = 5000

-105004t = 2000

t = -0.019

This means that the population of Betaburgh will be 5000 people 0.019 years (or approximately 7 days) after 1990. However, since time cannot be negative, we can conclude that the population of Betaburgh will never reach 5000 people.

Learn more about integration at: brainly.com/question/31744185

#SPJ11

define the linear transformation t by t (x) = ax. find (a) ker(t ), (b) nullity(t ), (c) range(t ), and (d) rank(t ). a = 1 −2 −3 1 5 3 −1 1 0 4 1 1 3 1 2

Answers

We  have:

(a) ker(t) = {(x1, x2, x3, x4) | x1 = 3x3, x2 = -x3, x4 = t, where t is any scalar}

(b) nullity(t) = 1

(c) range(t) = span{(1, 1, -1), (-2, 5, 1), (-3, 3, 4)}

(d) rank(t) = 3

To find the kernel of the linear transformation, we need to find all vectors x such that t(x) = ax = 0. This means we need to solve the system of linear equations:

x1 - 2x2 - 3x3 = 0

x1 + 5x2 + 3x3 = 0

-x1 + x2 + 4x3 + x4 = 0

3x1 + x2 + 2x3 + x4 = 0

Putting this system into reduced row echelon form, we get:

1 0 -3 0

0 1 1 0

0 0 0 1

0 0 0 0

The pivot columns are 1, 2, and 4. So, the basic variables are x1, x2, and x4, while x3 is a free variable. So, the kernel of the linear transformation is given by:

ker(t) = {(x1, x2, x3, x4) | x1 = 3x3, x2 = -x3, x4 = t, where t is any scalar}

Therefore, the dimension of the kernel or nullity of t is 1, since there is only one free variable.

To find the range of the linear transformation, we need to find all vectors y such that y = t(x) = ax for some vector x. This is the span of the columns of the matrix A, which can be found by row reducing A to get:

1 0 0 0

0 1 0 0

0 0 1 0

0 0 0 0

The pivot columns are 1, 2, and 3, so the corresponding columns of A form a basis for the range of t. Therefore, the range of t is:

range(t) = span{(1, 1, -1), (-2, 5, 1), (-3, 3, 4)}

which has dimension 3. Thus, the rank of t is 3.

Therefore, we have:

(a) ker(t) = {(x1, x2, x3, x4) | x1 = 3x3, x2 = -x3, x4 = t, where t is any scalar}

(b) nullity(t) = 1

(c) range(t) = span{(1, 1, -1), (-2, 5, 1), (-3, 3, 4)}

(d) rank(t) = 3

Learn more about nullity here:

https://brainly.com/question/31322587

#SPJ11

Consider the relation R:R → R given by {(x, y): x2 + y2 = 1). Determine whether R is a well-defined function. 13.5 The answer is yes; now prove it.

Answers

f(x) is well-defined for all x in the domain of R, we have shown that R is a well-defined function.

To prove that R is a well-defined function, we need to show that for each x in the domain of R, there exists a unique y in the range of R such that (x, y) is in R.

Let x be an arbitrary real number. We need to find a unique y such that (x, y) is in R. By definition, (x, y) is in R if and only if x2 + y2 = 1. Solving for y, we get:

y = ±√(1 - x^2)

Since the range of R is R, we need to choose the appropriate sign for ± in order to ensure that there exists a unique y in R for each x in R. Since the range of R is not restricted, we can choose either the positive or negative square root, depending on the sign of x, to ensure that y is in R. Therefore, we define the function f: R → R as:

f(x) = √(1 - x^2) if -1 ≤ x ≤ 1

f(x) = undefined otherwise

To learn more about number visit:

brainly.com/question/17429689

#SPJ11

Satellites KA-121212 and SAL-111 have spotted a UFO. Scientists want to determine its distance from KA-121212 so they can later determine its size. The distance between these satellites is 900 \text{ km}900 km900, start text, space, k, m, end text. From KA-121212's perspective, the angle between the UFO and SAL-111 is 60^\circ60 ∘ 60, degrees. From SAL-111's perspective, the angle between the UFO and KA-121212 is 75^\circ75 ∘ 75, degrees

Answers

The question gives us the angles from the two different satellites and the distance between them to find the distance to the UFO from the KA-121212 satellite. Therefore, we can solve this using trigonometry as follows:

Let the distance from the UFO to KA-121212 be x. Then, from SAL-111's perspective, the distance from the UFO is (x + 900) km (adding the distance between the two satellites to x).Now, using trigonometry:[tex]\begin{aligned}\tan 60^\circ &= \frac{x}{x + 900}\\ \sqrt{3}(x + 900) &= x \times \sqrt{3}\\ x(\sqrt{3} - 1) &= 900\sqrt{3}\\ x &= \frac{900\sqrt{3}}{\sqrt{3} - 1}\\ x &= 2303.53 \end{aligned}[/tex] Therefore, the distance from the KA-121212 satellite to the UFO is 2303.53 km.

To know more about satellites,visit:

https://brainly.com/question/28766254

#SPJ11

A sample of 29 observations provides the following statistics: [You may find it useful to reference the t table.] Sx = 17, sy = 16, and sxy = 119.98 a-1. Calculate the sample correlation coefficient rxy. (Round your answer to 4 decimal places.) Sample correlation coefficient 0.4411 a-2. Interpret the sample correlation coefficient rxy The correlation coefficient indicates a positive linear relationship. The correlation coefficient indicates a negative linear relationship. The correlation coefficient indicates no linear relationship

Answers

a-1. The sample correlation coefficient rxy is approximately 0.4411.

a-2.  In this case, since rxy is positive and greater than zero (0.4411), it indicates a positive linear relationship between the variables.

a-1. How to calculate the sample correlation coefficient?

To calculate the sample correlation coefficient rxy, we can use the formula:

rxy = sxy / (Sx × Sy)

Given the values Sx = 17, Sy = 16, and sxy = 119.98, we can substitute these values into the formula:

rxy = 119.98 / (17 × 16)

Calculating the value:

rxy ≈ 0.4411

Therefore, the sample correlation coefficient rxy is approximately 0.4411.

a-2. How to interpret the sample correlation coefficient?

Now, let's interpret the sample correlation coefficient:

Interpretation:

The sample correlation coefficient rxy measures the strength and direction of the linear relationship between two variables. In this case, since rxy is positive and greater than zero (0.4411), it indicates a positive linear relationship between the variables. This means that as one variable increases, the other variable tends to increase as well. However, it's important to note that the correlation coefficient only measures the strength and direction of the linear relationship, and it does not imply causation or provide information about the magnitude or form of the relationship beyond linearity.

Learn more about correlation.

brainly.com/question/30116167

#SPJ11

. let f be a bounded function on [a, b], and let p be an arbitrary partition of [a, b]. first, explain why u(f) ≥ l(f,p). now, prove lemma 7.2.6. studylib

Answers

Since f(x) ≤ g(x) for all x in [a, b], it follows that the supremum of g on any subinterval is less than or equal to the supremum of f on that same subinterval. Thus, u(g) ≤ u(f).

To explain why u(f) ≥ l(f,p), we need to understand the definitions of upper sum (u(f)) and lower sum (l(f,p)):

1. The upper sum u(f) is defined as the sum of the areas of rectangles formed by taking the supremum (i.e., the maximum value) of the function on each subinterval and multiplying it by the width of the subinterval.

2. The lower sum l(f,p) is defined as the sum of the areas of rectangles formed by taking the infimum (i.e., the minimum value) of the function on each subinterval and multiplying it by the width of the subinterval.

3. Since the supremum of a function on a given subinterval is always greater than or equal to the infimum of the same function on that subinterval, we have that u(f) ≥ l(f,p) for any bounded function f and any partition p of [a, b]. This is because the rectangles used to form the upper sum will always have a larger area than the rectangles used to form the lower sum.

Now, to prove Lemma 7.2.6, which states that if f and g are bounded functions on [a, b] and f(x) ≤ g(x) for all x in [a, b], then l(f,p) ≤ l(g,p) and u(f) ≤ u(g), we can use the following argument:

1. For any partition p of [a, b], we have that l(f,p) ≤ u(f) and l(g,p) ≤ u(g) by definition.

2. Since f(x) ≤ g(x) for all x in [a, b], it follows that the infimum of f on any subinterval is less than or equal to the infimum of g on that same subinterval. Thus, l(f,p) ≤ l(g,p) for any partition p of [a, b].

3. Similarly, since f(x) ≤ g(x) for all x in [a, b], it follows that the supremum of g on any subinterval is less than or equal to the supremum of f on that same subinterval. Thus, u(g) ≤ u(f).

Therefore, we have shown that l(f,p) ≤ l(g,p) and u(f) ≤ u(g), as desired.

For more about subinterval:

https://brainly.com/question/31259780

#SPJ4

(Just need the second answer)

Answers

Using the line plot, we can see that 13 persons talk less than 60 minutes on their phonse.

How many people talk less than 60 minutes on their phone?

Here we have a line plot, each one of the points represents a person that talks a given amount of time in the phone.

Here we just need to count the number of points that are before the number 60 in the horizontal axis.

Then we can see:

10 ---> 2 points.

20 ---> 4 points.

40 ---> 4 points.

50 ---> 3 points

Adding that we have a total of 13 points, so there are 13 persons that talk less than 60 minutes per day.

Learn more about line plots at:

https://brainly.com/question/30143735

#SPJ1

Check that v' + v, and then explain why Theorem 5.3.6 implies v does not lie in the plane P. (The vector v' built in terms of v and an orthogonal basis of P is a special case of a general concept called projection to a linear subspace, which we'll analyze thoroughly in Chapter 6.)

Answers

v'' is nonzero

Assuming that v and P are defined in the context of linear algebra or vector calculus, where P is a plane and v is a vector not lying in P, we can proceed as follows:

Let {u1, u2} be an orthogonal basis of P. Then, any vector in P can be written as a linear combination of u1 and u2, i.e., as p = c1 u1 + c2 u2 for some constants c1 and c2.

We want to show that v' = v - projP(v) is nonzero, where projP(v) is the projection of v onto P. Since projP(v) lies in P, we can write projP(v) = c1 u1 + c2 u2 for some constants c1 and c2.

Then, v' = v - projP(v) = v - c1 u1 - c2 u2. Taking the derivative of v' with respect to time t, we get:

v'' = (v' - c1 u1' - c2 u2')' = v' - c1 u1'' - c2 u2''

Since {u1, u2} is a basis of P, it is also a linearly independent set. Thus, u1' and u2' are linearly independent, and so are u1'' and u2''. This means that the coefficients of u1'' and u2'' in v'' are nonzero, since v' is nonzero and the coefficients of u1 and u2 in v' are nonzero.

Therefore, v'' is nonzero, which means that v' and v have different directions. This implies that v does not lie in the plane P, since v' is the projection of v onto P, and Theorem 5.3.6 states that the projection of a vector onto a subspace has the same direction as the subspace.

To know more about projection refer here:

https://brainly.com/question/17262812

#SPJ11

You are filling a 56 gallon aquarium with water at a rate of 1 3/4 gallons per minute. You start filling the aquarium at 10:50am. At what time is the aquarium filled?

Answers

To find the time when the aquarium is filled, we can use the following formula:

time = volume / rate

where volume is the total volume of water to be filled (56 gallons), and rate is the rate at which the water is being filled (1 3/4 gallons per minute).

Substituting the given values into the formula, we get:

time = 56 / 1 3/4

time = 42 1/4 minutes

Therefore, the aquarium will be filled at 42 1/4 minutes past 10:50am

Learn more about volumes visit : brainly.com/question/1972490

#SPJ11

if 3000 random samples are taken from a population with mean µ and 95 onfidence intervals are computed for each sample, approximately how many of them will contain the population mean?

Answers

There will be  2850 of the 3000 random samples will contain the population mean.

If 95% confidence intervals are computed for each sample, it means that we expect approximately 95% of the intervals to contain the population mean.

In the case of 3000 random samples, we can estimate the number of intervals that will contain the population mean by multiplying 3000 by the percentage of intervals that are expected to contain the mean.

Approximately, 95% of the 3000 random samples will contain the population mean. So, the estimated number of intervals that will contain the population mean is:

Estimated number = 0.95 * 3000 = 2850

Therefore, approximately 2850 of the 3000 random samples will contain the population mean.

Learn more about population mean at https://brainly.com/question/14273355

#SPJ11

math is hard
Mr. Anderson took Mrs. Anderson out
for a nice steak dinner. The food bill
came out to $89.25 before tax and tip.
If tax is 6% and tip is 15%, what is
the total cost?

Answers

If tax is 6% and tip is 15%, the total cost of the dinner, including tax and tip, is $107.99.

To find the total cost of the dinner, we need to add the tax and tip to the pre-tax amount.

The tax on the food bill can be calculated by multiplying the pre-tax amount by the tax rate of 6%, which is:

Tax = 0.06 x $89.25 = $5.355

Next, we need to calculate the tip on the pre-tax amount. The tip rate is 15%, which is:

Tip = 0.15 x $89.25 = $13.39

Now, we can calculate the total cost by adding the pre-tax amount, tax, and tip, which is:

Total cost = $89.25 + $5.355 + $13.39 = $107.995

Rounding this amount to the nearest cent gives us:

Total cost = $107.99

To learn more about cost click on,

https://brainly.com/question/31433647

#SPJ1

Evaluate the following integral using complex exponentials and write the result in complex exponential form. do not include the arbitrary constant.
∫ e^7x cos (x) dx

Answers

Therefore, the arbitrary constant is not required, our final answer is (1/2)[(1/(7+i))e^(7x + ix) + (1/(7-i))e^(7x - ix)]

To evaluate this integral using complex exponentials, we can use Euler's formula: e^(ix) = cos(x) + i sin(x). We can rewrite cos(x) as the real part of e^(ix), and then use the property that ∫ e^(ax) dx = (1/a) e^(ax) to solve the integral.
First, we rewrite the integral as ∫ (1/2) e^(7x + ix) + (1/2) e^(7x - ix) dx.
Then, using the above property, we get the answer in complex exponential form:
(1/14) e^(7x + ix) + (1/14) e^(7x - ix) + C, where C is the arbitrary constant.
To evaluate the integral ∫e^(7x)cos(x) dx using complex exponentials, we need to recall Euler's formula:
cos(x) = (e^(ix) + e^(-ix))/2
Now, substitute cos(x) with Euler's formula in the integral:
∫e^(7x)((e^(ix) + e^(-ix))/2) dx
Multiply e^(7x) into the parentheses:
(1/2)∫(e^(7x + ix) + e^(7x - ix)) dx
Now, integrate with respect to x:
(1/2)[(1/(7+i))e^(7x + ix) + (1/(7-i))e^(7x - ix)] + C

Therefore, the arbitrary constant is not required, our final answer is (1/2)[(1/(7+i))e^(7x + ix) + (1/(7-i))e^(7x - ix)]

To know more about multiplication visit:

https://brainly.com/question/1135170

#SPJ11

Use the unit circle to determine the value of sin ( 3) Enter your answer as the numerator of the value followed by the denominator; separated by comma View Available Hint(s) AZd sin( 5)

Answers

The approximate fraction for sin(3) is -7/50.

To determine the value of sin(3) using the unit circle, follow these steps:

1. Convert the angle 3 radians to degrees: (3 * 180) / π ≈ 171.89 degrees.
2. Locate the point on the unit circle corresponding to 171.89 degrees.
3. Find the y-coordinate of this point, as this represents the value of sin(3).

Using a unit circle or a trigonometric table, we find that the sin(3) is approximately -0.14112000806. Since you asked for the answer as a fraction, it can be approximated as -7/50. So, the numerator is -7, and the denominator is 50.


In summary, we converted the angle to degrees, located the point on the unit circle, and found the y-coordinate representing the sine value.

To know more about trigonometric table click on below link:

https://brainly.com/question/14517250#

#SPJ11

The 15th birthday party of your friend Cecilia will be held at Montelago Nature

Estates (San Pablo City). The motif will be unicorn and rainbow. You will be the

one to lead in decorating the function hall using balloons of different colors. A

box contains five peach balloons, seven pink balloons, six lavender balloons,

and four baby blue balloons. In how many ways can eight balloons be chosen

if there will be two balloons of each color?

Answers

There will be ten balloons in total, two each of peach, pink, and lavender, for Cecilia's 15th birthday party at Montelago Nature box.

This is because the nature box contains five peach balloons, seven pink balloons, and six lavender balloons. Therefore, there are enough balloons of each color for two balloons to be included in the birthday party decoration.

Two balloons of each color will be needed for Cecilia's 15th birthday party decoration. The nature box contains five peach balloons, seven pink balloons, and six lavender balloons. Therefore, the total number of balloons available is 18, which is enough to provide two balloons each of peach, pink, and lavender. The total number of balloons needed will be ten.

Know more about balloon, here:

https://brainly.com/question/32043278

#SPJ11

evaluate the folllowing definite integral f(x)=x^3-x

Answers

The definite integral of f(x) from a to b is:

∫[a, b] (x^3 - x) dx = (1/4)(b^4 - a^4) - (1/2)(b^2 - a^2)

What are the limits of integration?

To evaluate the definite integral of f(x) = x^3 - x, we need to first specify the limits of integration. Assuming the limits of integration are a and b, where a is the lower bound and b is the upper bound, we can use the following formula to evaluate the definite integral:

∫[a, b] f(x) dx = F(b) - F(a),

where F(x) is the antiderivative (or primitive) of f(x).

In this case, the antiderivative of f(x) is F(x) = (1/4)x^4 - (1/2)x^2 + C, where C is a constant of integration.

Using the formula above, we have:

∫[a, b] (x^3 - x) dx = F(b) - F(a) = [(1/4)b^4 - (1/2)b^2] - [(1/4)a^4 - (1/2)a^2]

Simplifying this expression, we get:

∫[a, b] (x^3 - x) dx = (1/4)(b^4 - a^4) - (1/2)(b^2 - a^2)

Therefore, the definite integral of f(x) from a to b is:

∫[a, b] (x^3 - x) dx = (1/4)(b^4 - a^4) - (1/2)(b^2 - a^2)

Learn more about definite integral

brainly.com/question/29974649

#SPJ11

if we have a 8-pole generator, what is its synchronous speed in europe?

Answers

Thus, the synchronous speed of an 8-pole generator in Europe would be 750 rpm.

The synchronous speed of an 8-pole generator in Europe would be determined by the frequency of the power supply. In most of Europe, the standard power supply frequency is 50 Hz.

To calculate the synchronous speed of the generator, we can use the following formula:

Synchronous Speed = (120 x Frequency) / Number of Poles

So for an 8-pole generator in Europe, the synchronous speed would be:

Synchronous Speed = (120 x 50) / 8 = 750 rpm

Therefore, the synchronous speed of an 8-pole generator in Europe would be 750 rpm.

However, it's important to note that this is the ideal speed at which the generator would operate if it were connected to a perfectly balanced load. In reality, the actual operating speed of the generator may be slightly different due to factors such as load fluctuations and mechanical losses.

Know more about the synchronous speed

https://brainly.com/question/31605298

#SPJ11

1. compute coefficient of variation (c.v.) for orders arrived. the potential answers are: a: 0.64. b: 0. c: 0.66. d: 0.65. e: 0.75. 2. compute the average inventory. the potential answers are:

Answers

The coefficient of variation (c.v.) for orders arrived is not provided.The average inventory cannot be calculated without further information.

How to compute the average inventory?

To compute the coefficient of variation (C.V.) for orders arrived, we need the standard deviation (SD) and the mean (average) of the orders.

Unfortunately, the given options do not provide the necessary information to calculate the C.V. Therefore, none of the provided answers (a, b, c, d, or e) can be considered as the correct coefficient of variation.

Without any specific information regarding the inventory levels or their fluctuations, it is not possible to accurately calculate the average inventory. Therefore, no potential answer can be provided for the average inventory as the question lacks essential details such as the inventory turnover rate, stock levels, or any other relevant information necessary for calculating the average inventory.

Learn more about coefficient

brainly.com/question/1619962

#SPJ11

You have been hired as a consultant by mr. robbins of the large ice cream
company dachshund robbins. as part of assisting them with determining things
like the number of cones that can be made per container of ice cream, they've
asked you to determine the amount of ice cream in a properly filled cone.

questions
1. what shapes is the cone composed of that we can find the volume of?
2. what is the volume of those shapes ?
3. find the volume of the composite shape for mr.robbins, and make sure to show your work

Answers

The cone is composed of two main shapes that we can find the volume of: a cone-shaped base and a conical frustum (the part above the base that tapers to a point).

The volume of each shape is calculated as follows:

  - The volume of a cone can be found using the formula V_ cone = (1/3)πr²h, where r is the radius of the base and h is the height of the cone.

  - The volume of a conical frustum can be calculated using the formula V_ frustum = (1/3)πh(R² + r² + Rr), where R is the radius of the larger base, r is the radius of the smaller base, and h is the height of the frustum.

To find the volume of the composite shape, we need to determine the dimensions of the cone and the frustum. Once we have the measurements for the radius and height, we can plug them into the respective volume formulas and add the volumes together to get the total volume of the properly filled cone. The specific measurements and calculations will depend on the dimensions provided by Mr. Robbins or any given scenario.

Learn more about volume here:

https://brainly.com/question/28058531

#SPJ11

Other Questions
The solubility of Ba 3 (AsO 4 ) 2 (formula mass=690) is 6.910 2 g/L. What is the Ksp?A. 1.08 10-11 xB. 1.08 10-13 xC.1.0 10-15D. 6.0 10-13 A fan is rotating with an angular velocity of +17 rad/s. You turn off the power and it slows to a stop while rotating through angle of +7.2 rad.(a) Determine its angular acceleration in rad/s2(b) How long does it take to stop rotating? D. Have you ever been on a holiday trip or travelled to different places? Mention the hotspots, points of interest, etc. Share your experiences with your friends. an industrial load consumes 100 kw at 0.8 pf lagging. if an ammeter in the transmission line indicates that the load current is 200 a rms, find the load voltage determine the velocity vector () of the path ()=(cos2(4),74,7). (write your solution using the form (*,*,*). use symbolic notation and fractions where needed.) if you have a logical statement in four variables how many truth table rows do you need to evaluate all true false assignments to the variables The value of money results fromits backing rates set by the Federal Reserve its purchasing power its backing by goldThe primary securities markets arethe markets for previously issued securities such as the New York Stock Exchange the markets where financial assets such as stocks and bonds are initially issued the three most important financial markets in any economy the markets for stocks and bonds only Not correctEconomists use a ___________________ framework to explain how the prices and quantities of goods and services are determined in a free-market economic system. opportunity marginal cost supply-and-demand anti-monopoly (1 point) suppose that you are told that the taylor series of f(x)=x5ex3 about x=0 is x^5 + x^8 + x^11/2! + x^14/3! + x^17/4! + ? . Find each of the following: d/dx(x^5 e^x^3)|x=0 = d^11/dx^11 (x^5 e^x^3)|x=0 = A prospective research design:____________ A) studies people across time. B) uses individuals present experiences to explain the past. C) examines children as they become adolescents. D) uses earlier measures to predict later outcomes. E) uses primarily projective assessments. Nicoles Salon, a Louisiana corporation, operates beauty salons in Arkansas, Louisiana, and Tennessee. These salons payroll by state are as follows:Nicoles SalonStatePayrollArkansas$138,000Louisiana366,750Tennessee726,000Total$1,230,750What are the payroll apportionment factors for Arkansas, Louisiana, and Tennessee in each of the following alternative scenarios? (Round your answers to 2 decimal places.)rev: 11_21_2018_QC_CS-148519a. Nicoles Salon has income tax nexus in Arkansas, Louisiana, and Tennessee.b. Nicoles Salon has income tax nexus in Arkansas, Louisiana, and Tennessee, but $55,000 of the Arkansas amount is paid to independent contractors. si el indice de refraccion del diamante es 2.42 the shorter the viral cycle time and the larger the viral coefficient, the less viral the process. group of answer choices true false the smallest positive solution of the 3sin(2x-1)-1=0 Ill give brainliest pls help me my future is in risk rn. Two non-zero vectors A and B both lie in the xy-plane. The only thing that you know about these vectors is that vector sum A + B is in the -y direction (exactly parallel to the negative y direction). What can you say for certain about the components of these vectors? (Hint: draw a vector diagram) a. Ax = By b. Ay=-By c. Ay=By Ax= - Bx Ax = BX what pressure (in n/m2) is exerted on the bottom of a gas tank that is 0.621 m wide by 0.874 m long and can hold 51.7 kg of gasoline when full? (give only the pressure exerted by the gasoline.) n/m2 A chemist mixes 66. g of water with 39. g of acetic acid and 5.1 g of butanoic acid. Calculate the percent by mass of each component of this solution. Round each of your answers to 2 significant digits. component mass percent water 0 % 5 ? acetic acid % butanoic acid A chemist prepares a solution of zinc oxalate (ZC,0) by weighing out 1.79 kg of zinc oxalate into a 100 ml. volumetric flask and filling the Mask to the mark with water Calculate the concentration in g/dl of the chemist's inc oxidate solution. Round your answer to 3 significant digits. Roman aqueducts have been adapted and modified over time to lead to which modern day invention A. Suspension bridges B. PlumbingC. Roads D. Churches true or false: unsecured bonds are backed by collateral such as land or equipment. mosses are A. pioneers and trees are climax communities. B. oak trees are pioneer species. . shrubs are pioneer plants and arrive first into a disturbed ecosystem. D. mosses are known as climax species.