Considering the sum of the internal angles of the triangle, the angle of elevation from point L to point J is of 37º.
What is the sum of the internal angles of a triangle?The sum of the internal angles of a triangle is of 180º.
In this problem, the angles are:
90º, 53º, x
Hence:
90 + 53 + x = 180
x = 180 - 143
x = 37º
The angle of elevation from point L to point J is of 37º.
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Answer:
53*
Step-by-step explanation:
took on edge
Use the cylinder shown to mark each statement as true or false. Rewrite and correct any faise
statements.
9. The height of the cylinder is 4 feet.
10. The area of the base is equal to п(4²).
11. The volume of the cylinder is 31.4 ft³.
d = 4 ft B
2.5 1
The truth values of the statements are:
9. The height of the cylinder is 4 feet (False), the height is 2.5 feet10. The area of the base is equal to п(4²) (False), the area is п(2²)11. The volume of the cylinder is 31.4 ft³How to determine the true statementsThe complete question is added as an attachment, where we have the following parameters:
Height, h = 2.5 feet
Diameter, d = 4
The base area is then calculated as
Area = п(r²)
So, we have
Area = п(2²)
The volume is then calculated as
Volume = Base area * Height
So, we have
Volume = п(2²) * 2.5
Evaluate
Volume = 31.4
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Jim ran four-fifths of a mile and dropped out of the 1600meter race. his pace was 12 miles and hour until the point he dropped out of the race. How many minutes did he run?
Answer:
4
Step-by-step explanation:
speed = distance/time
time = distance/speed
time = 4/5 mile / 12 mph
time = 0.0666... hours × (60 minutes)/(1 hour)
time = 4 minutes
Please!! Can someone help me? I'm not sure of this.
Simplify: (2x⁵)³
THERE ARE TWO ANSWERS. MAKE SURE YOU CHOOSE BOTH.
[tex](2x^5)^3\implies \left(2^3x^{5\cdot 3} \right)\implies 8x^{15}[/tex]
Jerrod had scores of 75, 82, 94 and 77 on his first four history tests. What must he score on the next test to have an average of at least 85? (Note: Remember that average is found by dividing the sum of the numbers, by the number of numbers.)
The score on his next test must be at least 97 to get an average score of at least 85.
What is Average Value?Average value of a set of numbers is a single number which represents the whole numbers in the set.
Average value of a set of numbers is calculated by dividing the sum of all the numbers by the number of values in the set.
Here is is given that,
Jerrod had scores of 75, 82, 94 and 77 on his first four history tests.
We need to find the score of his next test such that the average of all is at least 85.
Let x be the score of his next test.
(75 + 82 + 94 + 77 + x) / 5 ≥ 85
75 + 82 + 94 + 77 + x ≥ 85 × 5
328 + x ≥ 425
x ≥ 97
Hence Jerrod must have at least a score of 97.
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What is the difference between real function and complex function?
A real function, usually referred to as a real-valued function, is one whose domain is the real numbers. A function from complex numbers to complex numbers is referred to as a complex function.
What is complex function?A true function is a prescription that gives values to its input parameters. According to the notation y = f (x), the function f assigns the value y to the argument's value x. Additionally, we occasionally write the function f as f: x y, which means that it sends x to y. A real function, usually referred to as a real-valued function, is one whose domain is the real numbers. The relation is a function if a vertical line only ever crosses the relation on the graph once in all locations. However, the relation is not a function if a vertical line passes across it more than once. All lines are functions based on the vertical line test, with the exception of vertical lines.A function from complex numbers to complex numbers is referred to as a complex function.
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Hey! Please hurry! I need help! It'll be useful until 4:00 P.m !
No false answers Please !
Answer:
c = 50
Step-by-step explanation:
The given angles are alternate angles and their measures are equal.
We can write the following equation based on this information:
2c - 3 = 97
Add 3 to both sides.2c = 100
Divide both sides by 2.c = 50
If a1=6 and an= -5an-1 + 4 then find the value of a5.
Therefore , the solution of the given problem of arithmetic mean comes out to be a5 = 3334.
What does the word arithmetic mean?The group's arithmetic average, often known as the mean, is calculated by multiplying the sum of all the entries in a list by the number of products in that list, then dividing that sum by both. This follows the same mathematical development. The number 3 is the median of the numbers 9, 11, and 7. For instance, the number 7 is obtained by dividing 21 (there are actually three numbers) by the equation 5 + 7 + 9.
Here,
It speaks about sequences where every other term is provided as a rule but needs on a number of the preceding terms, as opposed to implicit series where an expression.
The order is as follows:
The order is as follows:
=> a1 = 6
=> an= -5a(n-1) + 4
To calculate the value of a5, follow these steps:
=> a2= -5(6) + 4 = -26
=> a3= -5(26) + 4 = 134
=> a4= -5(134) + 4 = -666
=> a5= -5(-666) + 4 = 3334.
Therefore , the solution of the given problem of arithmetic mean comes out to be a5 = 3334.
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\Select all the correct answers. A triangular frame has two side lengths measuring 18 inches and 12 inches. Which values are possible lengths for the third side? 30 in 6 in 28 in 32 in 20 in 24 in
A triangular frame has two edges lengths measuring 18 inches and 12 inches. The possible value of length for the third side is 32 in.
What is a triangle?Three edges and three vertices make up a triangle, which is a polygon. It is among the fundamental shapes in geometry. The symbol for a triangle having vertices A, B, and C is ABC.In Euclidean geometry, any three points that are not collinear identify a distinct triangle and a distinct plane at the same time (i.e. a two-dimensional Euclidean space). In other words, every triangle is contained in a plane, and that triangle is contained in just one plane.All triangles are enclosed in a single plane if all of geometry is the Euclidean plane, however in higher-dimensional Euclidean spaces, this is no longer the case. Except as specifically stated, this article is about triangles in the Euclidean plane and general Euclidean geometry.A triangular frame has two side lengths measuring 18 inches and 12 inches. as we know that the sum of any two sides of a triangle is always greater than the third side.
That is, the third side < 18 +12
third side < 30
according to the question, the option that fits perfectly is 32in.
Hence, The possible value of edges for the third side is 32 in.
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Use the Exterior Angle Theorem to find the measure of each angle.
The measure of each angle of triangle is,
m ∠C = 46°
m ∠D = 104°
m ∠DEF = 30°
What is exterior angle theorem?
In Euclid's Elements, Proposition 1.16, known as the exterior angle theorem, states that the measure of a triangle's exterior angle is greater than either of its remote interior angles. Due to the fact that its proof is independent of the parallel postulate, this is a fundamental result in absolute geometry.
Let the triangle CDE is given.
m ∠D = (10y + 4)°, m ∠C = (4y + 6)°, m ∠DEF = 108°
We have to find the measure of each angle of triangle.
By using the Exterior angle theorem,
m ∠C + m ∠D = m ∠DEF
(4y + 6)° + (10y + 4)° = 108°
14y + 10° = 108°
14y = 98°
y = 7°
⇒ m ∠C = 4y + 6 = 4(10) + 6 = 40 + 6 = 46°
m ∠D = 10y + 4 = 10(10) + 4 = 100 + 4 = 104°
Since, the measure of three angle of triangle is 180°.
⇒ m ∠C + m ∠D + m ∠DEF = 180°
46° + 104° + m ∠DEF = 180°
150° + m ∠DEF = 180°
m ∠DEF = 30°
Hence, the measure of each angle of triangle is,
m ∠C = 46°
m ∠D = 104°
m ∠DEF = 30°
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Verify that f^-1(x) is the inverse of f(x) by showing f(f^-1(x)) = x and f^-1(f(x)) = x
f(x) = x-5 / 3 -x
f^-1(x) = 3x+5 / x+1
f^-1(x) is the inverse of f(x) as the composite functions f(f^-1(x)) and f^-1(f(x)) are both equal to x.
What is composite functionA function is composite when the co- domain of the first mapping is the domain of the second mapping.
We shall evaluate the functions f(f^-1(x)) and f^-1(f(x)) as follows:
f(f^-1(x)) = [(3x+5 / x+1) - 5] ÷ [3 - (3x+5 / x+1)]
changing division to multiplication;
f(f^-1(x)) = [3x + 5 - 5(x + 1)]/(x + 1) × (x + 1)/[3(x + 1) - (3x + 5)]
(x + 1) is common and will cancel out
f(f^-1(x)) = (3x + 5 - 5x - 5)/(3x + 3 - 3x - 5)
f(f^-1(x)) = -2x/-2
f(f^-1(x)) = x
f^-1(f(x)) = [3(x-5 / 3 -x) + 5] ÷ [(x-5 / 3 -x) + 1]
changing division to multiplication;
f^-1(f(x)) = [3(x - 5) + 5(3 - x)]/(3 - x) × (3 - x)/[x - 5 + (3 - x)]
(3 - x) is common and will cancel out
f^-1(f(x)) = (3x - 15 + 15 - 5x)/(x - 5 + 3 - x)
f^-1(f(x)) = -2x/-2
f^-1(f(x)) = x
Therefore, since composite functions; f(f^-1(x)) = x and f^-1(f(x)) = x, then f^-1(x) is the inverse of f(x).
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Find each measure.
*PLEASE HELP! WILL GIVE BRANLIEST!*
The value of the missing angle x in the triangle is; x = 29 degrees
How to find the missing angle of the triangle?In a triangle, we know that the exterior angle is always equal to the sum of the interior opposite angles. This property is referred to as exterior angle property. This means that any two triangles will be similar if their corresponding angles tend to be congruent and the length of their sides will be proportional.
From the exterior angle property , when we apply it to the given triangle, we will have;
x + x = 58
2x = 58
x = 58/2
x = 29°
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What do you do when exponents are different bases?
Answer:
When the bases and exponents are both different, each needs to be evaluated separately:
5^2 + 3^3 = 25 + 27 = 52
Step-by-step explanation:
1. When the bases are the same, it is easy. Just add the exponents:
(5^2) * (5^4) = 5^6
2. When the bases are different, but the exponents are the same, multiply the bases first and then use the same exponent:
(5^3) * (4^3) = (20)^3
3. When the bases and exponents are both different, each needs to be evaluated separately:
5^2 + 3^3 = 25 + 27 = 52
6(4y+8)-2 rewrite in the simplest form
Answer: 24y+46
Step-by-step explanation:
6(4y+8)-2
=24y+48-2
=24y+46
= 2(12y+23)
Answer: 24y+46
Step-by-step explanation:
multiply 6 by 4y = 24y
multiply 6 by 8 = 48
you have left 24y + 48 - 2
subtract 2 from 48 and get 46
Here i a cm cube
thi cuboid i made from centimetre cube
write down the volume of the cuboid
In order to determine the volume of the cuboid, we would need to know its length, width, and height in centimeters.
The volume of a cube is given by the formula:
V = s^3
Where V is the volume and s is the length of one side of the cube.
Since this cuboid is made up of centimeter cubes, it means that the length, width, and height are in centimeters.
It is not mentioned the dimension of the cuboid, so it is not possible to determine the volume of the cuboid.
In order to determine the volume of the cuboid, we would need to know its length, width, and height in centimeters.
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Wendy is arranging books on the bookshelves in the school library. The total number of books she arranges is given by the equation b = 12r, where b is the total number of books and r is the number of rows. Each row contains the same number of books.
If Wendy arranged 16 rows, she arranged a total of
Answer
192
Step-by-step explanation:
Given :Wendy is arranging books on the bookshelves in the school library. The total number of books she arranges is given by the equation b = 12r, where b is the total number of books and r is the number of rows. Each row contains the same number of books.
To Find: If Wendy arranged 16 rows, she arranged a total of ___ books.
Solution:
Since we are given an expression:
b = 12r
where b = total no. of books she arranged
r denotes the number of rows
Since we are asked If Wendy arranged 16 rows, she arranged how many books
So, put r = 16 in equation
Thus b = 12*16
b = 192
Thus she arranged 192 books in 16 rows
#5: A balloon is released from a height of 6 feet. The balloon rises at a constant rate of 3 feet per second. Which equation represents the height of the balloon (y), in feet, x seconds after it is released? A.x = 3y + 6 B. y = 3x + 6 C. x = 6y + 3 D. y = 6x + 3
When the balloon is released from a height of 6 feet, the equation x = 3y + 6 reflects the balloon's height (y).
what is equation ?Take a look at the formula 3x + 5 = 14, where 3x + 5 and 14 are two expressions that are separated by the word "equal." The standard form, the point-slope form, and the slope-intercept form are the three primary kinds of linear equations. Algebra is used in many equations. When it comes to arithmetic, algebra is used when it's difficult to compute an exact amount.
given
When a balloon is released, it rises at a constant rate of 3 feet per second from a height of 6 feet.
When the balloon is released from a height of 6 feet, the equation x = 3y + 6 reflects the balloon's height (y).
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Jayla is creating a food budget. Each day, her goal is to spend no more than $2 for breakfast, $8 for lunch, and $8 for dinner. Since there are about 30 days in a month, she estimates she will spend roughly $60 a month on food. Is that a good estimate?
Jayla's estimate for food is not a good estimate, given the number of days in a month and the amount she plans on spending.
How to estimate the food budget ?Jayla has a food budget and does not want to spend more than $2 for breakfast, $8 for lunch, and $8 for dinner. The most spending per day therefore, is:
= 2 + 8 + 8
= $ 18
Given that there are 30 days in a month, the most spending estimate for the month is :
= Cost per day x Number of days
= 18 x 30
= $ 540
Jayla's estimate of $ 60 a month is therefore not good.
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How do I do this I need help
Step-by-step explanation:
-5° < 8°
that is all that is to it. really. you see ? an inequality, meaning that 2 terms or expressions are compared (like on a balance).
they can be totally balanced, that means they are equal, and then we have an equation.
or one can be bigger ("heavier"), and so one side is smaller and the other larger. and that is then not equal. we have an inequality.
What is the answer for this question, can you please solve step by step?
Answer:
x = -3, y = -5
Step-by-step explanation:
Given equations:-6x - y = 23 ----------------(1)
y = 4x + 7 -------------------(2)
Put Eq. (2) in (1)
-6x - (4x + 7) = 23
-6x - 4x - 7 = 23
-10x - 7 = 23
Add 7 to both sides-10x = 23 + 7
-10x = 30
Divide both sides by -10x = -3Put x = -3 in Eq. (2)
y = 4(-3) + 7
y = -12 + 7
y = -5[tex]\rule[225]{225}{2}[/tex]
the average of the first 4 weights was 5 pounds. the average of the next 11 weights was 20 pounds. what was the overal average of the weights?
The overall average of the weights is 16.
What is average?The ratio of the sum of the values in a particular set to all the values in the set is the mean value, which is the definition of the average.
Given that the average of the first 4 weights is 5.
Avg = Total Sum / Total number of weights
Substituting the value of Avg = 5 and Total number of weights= 4 we have:
5 = Sum(4) / 4
Sum(4) = 20
The average of the next 11 weights was 20 pounds.
Substituting the values, we have:
20 = Sum(11) / 11
Sum(11) = 220
The total sum of the 4 weights and the 11 weights is:
Sum = Sum(4) + Sum(11)
= 20 + 220
= 240
The total number of weights are: 4 + 11 = 15
The overall average weight is:
Avg = Sum/ total number of weights
Avg = 240/ 15
Avg = 16
Hence, the overall average of the weights is 16.
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Is 84 divisible by3?
Yes, 84 is divisible by 3. This can be demonstrated using the modulus operator.
The modulus operator returns the remainder of a division problem. In this case, we can divide 84 by 3 and see what the remainder is.
Calculation
84 ÷ 3 = 28
Remainder
84 % 3 = 0
Since the remainder is 0, this means that 84 is evenly divisible by 3. This can be shown mathematically as 84 = 3 × 28. In other words, 84 is a multiple of 3, meaning it is divisible by 3.
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Part B: Mr. Jackson randomly selects a student in Math Club. Use the normal
curve from Part A and the empirical rule to find each probability.
On solving the provided question, we can say that the inequality equation here will be The student is no more than 65 inches tall. P(x< 65) = 23.432
What is inequality?An inequality in mathematics is a relationship between two expressions or values that is not equal. Thus, imbalance leads to inequality. An inequality creates the link between two values that are not equal in mathematics. Egality is distinct from inequality. When two values are not equal, most commonly use the not equal sign (). Different inequalities are used to contrast values, no matter how little or large. Many simple inequalities may be resolved by modifying the two sides until the variables are all that remain. But a number of things contribute to inequality: Negative values on both sides are divided or added. Trade off the left and right.
Mr. Jackson randomly selects a student in Math Club. Use the normal curve from Part A and the empirical rule to find each probability.
the inequality equation here will be
The student is no more than 65 inches tall. P(x< 65) = 23.432
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Is r =- 0.85 A strong correlation?
A correlation value of -0.8 or lower denotes a significant negative link, whereas one of -0.3 or lower denotes a negligibly weak relationship.
How to interpret a correlation coefficient?
The statistical measure of how well changes in the value of one variable predict changes in the value of another is called a correlation coefficient. The value rises or falls in step with positively associated variables.
Why is correlation coefficient significant? What does it mean?
As a whole, correlation coefficients are used to evaluate the direction and strength of the linear correlations between two sets of variables. When both variables have a normal distribution, use Pearson's correlation coefficient; otherwise, use Spearman's correlation coefficient.
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Write (2x)^3 without exponents
8x
Step-by-step explanation:
2x x 2x x 2x
pls help me 20 points if you answer correctly
how to know if a riemann sum is an overestimate or underestimate
In general, if the rectangles are all the same width and if they are placed to the right of the curve, the Riemann sum will be an overestimate of the true area. On the other hand, if the rectangles are placed to the left of the curve, the Riemann sum will be an underestimate of the true.
Another method to determine if a Riemann sum is an overestimate or underestimate, we can compare it to the exact value of the definite integral. If the Riemann sum is larger than the definite integral, it is an overestimate. If the Riemann sum is smaller than the definite integral, it is an underestimate. Additionally, we can also check the sign of the function being integrated and the width of the rectangles. If the function is positive and the width of the rectangles is decreasing, then the Riemann sum will be "an overestimate". If the function is negative and the width of the rectangles is decreasing, then the Riemann sum will be "an underestimate".
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Two quantities are related, as shown in the table:
x y
2 3
4 4
6 5
8 6
Which equation best represents the relationship? (4 points)
The equation that best represents the relationship is y = ½x + 2
What is linear equation?A linear equation is an algebraic equation of the form y=mx+b. involving only a constant and a first-order (linear) term, where m is the slope and b is the y-intercept.
From the values of x and y, let's check if the graph of y against x is linear
taking points x( 2,4) y(3,4)
slope =( 4-3)/4-2
slope = 1/2
therefore the graph is linear and slope is 1/2
the equation of a straight line = y − y 1 = m ( x − x 1 )
= y-3 = m( x- 2)
= y = 1/2(x-2)+3
y = ½x -1+3
y = ½x +2
therefore the equation that best represents the relationship is y = ½x + 2
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2 The length of a soda can is 6 Inches. A company would like to create a larger, scale model of the
sool of rome ng 3
OPOT 99 feet. What will the length of the model be?
=1
A. 180 ft
B.
60 ft
C.
30 ft
D.
20 ft
The correct answer is option B: 60 ft.
To find the length of the model, you can use the formula:
Length of model = (Length of original object) x (Scale factor)
The scale factor in this case is 99 feet / 6 inches = 16.5 feet/inch
So the length of the model = (6 inches) x (16.5 feet/inch) = 60 ft
solve this please!!!!
Answer:
y = [tex]\frac{3}{7}[/tex] x + 3
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
calculate m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (0, 3) and (x₂, y₂ ) = (7, 6) ← 2 points on the line
m = [tex]\frac{6-3}{7-0}[/tex] = [tex]\frac{3}{7}[/tex]
the line crosses the y- axis at (0, 3 ) ⇒ c = 3
y = [tex]\frac{3}{7}[/tex] x + 3 ← equation of line
what kind of motion should you impart to the nozzle of a garden hose so that the resulting stream of water approximates a sine curve?
A periodic up-and-down motion should be imparted to the nozzle of a garden hose such that the resultant stream of water approximates a sine curve.
A sine curve is a mathematical function that oscillates between a maximum and minimum value in a repeating pattern. To approximate this with a stream of water from a garden hose, the nozzle of the hose should be moved in a periodic up-and-down motion. This motion will cause the water stream to oscillate between a higher and lower height, creating the repeating pattern characteristic of a sine curve. The speed at which the nozzle is moved, as well as the amplitude of the motion, can be adjusted to create a more accurate representation of a sine curve.
Also, the nozzle can be turned to make the water flow in a spiral, which looks even more like a sine curve.
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