Answers
Answer:
[tex]\displaystyle m=-0.2[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Coordinates (x, y)Slope Formula: [tex]\displaystyle m=\frac{y_2-y_1}{x_2-x_1}[/tex]Step-by-step explanation:
Step 1: Define
Point (-10, 6) → x₁ = -10, y₁ = 6
Point (-15, 7) → x₁ = -15, y₁ = 7
Step 2: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m
Substitute in points [Slope Formula]: [tex]\displaystyle m=\frac{7-6}{-15+10}[/tex][Fraction] Subtract/Add: [tex]\displaystyle m=\frac{1}{-5}[/tex][Fraction] Convert: [tex]\displaystyle m=-0.2[/tex]We will be using the above formula. The answer will be a bit rough.
Okay. So our two points are (-10, 6) and (-15, 7). The number first in the brackets is always the 'x' variable while the second number in the bracket is always the 'y' variable. I will be using ² instead of the bottom 2 (As shown in the formula).
x = -10 x² = -15
y = 6 y² = 7
7 - 6
m = ———
- 15 - (-10) = -15 + 10
1
m = ——— OR - 0.2
- 5
Related Questions
find the area of following figure...?
Answers
Answer:
33600 m²
Step-by-step explanation:
The top and bottom horizontal sides are parallel, so this is a trapezoid with bases DC and AB. The height is BC.
area of trapezoid = (a + b)h/2
where a and b are the lengths of the bases, and h is the height.
We need to find the height, BC.
Drop a perpendicular from point A to segment DC. Call the point of intersection E. E is a point on segment DC.
DE + EC = DC
EC = AB = 360 m
DC = 600 m
DE + 360 m = 600 m
DE = 240 m
Use right triangle ADE to find AE. Then BC = AE.
DE² + AE² = AD²
DE² + 240² = 250²
DE² = 62500 - 57600
DE² = 4900
DE = √4900
DE = 70
BC = 70 = h
area = (a + b)h/2
area = (600 m + 360 m)(70 m)/2
area = 33600 m²
Answer:
33,600 m^2.
Step-by-step explanation:
This is a trapezium, so
Area = (h/2)(a + b)
= (h/2) ( 360 + 600)
= 960h / 2
= 480h,
We find the value of h using Pythagoras:
250^2 = h^2 + (600-360)^2
h^2 = 250^2 - 240^2 = 4900
h = 70.
So the Area = 70 * 480
= 33,600 m^2
Which equation describes how the parent function, y = x cubed, is vertically stretched by a factor of 4?
Answers
The equation that describes how the parent function, y = x³, is vertically stretched by a factor of 4 is y = 4x³.
We can find how the equation is vertically stretched below:When an equation is vertically stretched, it means that the parent equation has been multiplied by a number that is more than one.
This means that the equation is multiplied by some factor.
It is given that we should describe how the parent function is vertically stretched by a factor of 4.
The parent function is given as y = x³.
Since the equation is said to be vertically stretched by a factor of 4, we must multiply the parent equation by 4 to stretch it.
Therefore, we have found the equation that describes how the parent function, y = x³, is vertically stretched by a factor of 4 to be y = 4x³.
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Answer: C
Step-by-step explanation:
Just C
Total area=
Help me please thanks so much
Answers
Answer:
1954
Step-by-step explanation:
11*7*50
Please help me!!! due today. Pls show work thank youuu!
Answers
Answer: D
Step-by-step explanation:
As the circumference of a circle is 360 degrees, this means arc BC is 64 degrees.
So, we can conclude that arc AB measures 180-64=116 degrees.
Thus, angle AOB is also 116 degrees.
Answer:
D) 116°
Step-by-step explanation:
If arcBAC measure 296°,
And arcAC measure 180°,
You can get arcAB measure 116°,
Because the arc equals the measure of the central angle,
<AOB=116°
Hope this helps <3
What are the coordinates of the focus and the equation of the directrix? focus: (0,8); directrix: y = –8 focus: (0, one-half); directrix: y = negative one-half focus: (8,0); directrix: x = –8 focus: (one-half, 0); directrix: x = negative one-half
Answers
The coordinates of the focus and the equation of the directrix is option B: focus: (0, one-half); directrix: y = negative one-half.
How do you get the Parabola?Since we were given Parabola x² = 2 y
Then one has to compare and and so it will be x² = 4 a y
4 a = 2
Make a the subject of the formula:
a = 2/4
= 1/2
Therefore, Focus ( 0,a) = (0, 1/2 )
To solve for directrix:
Note that the equation of the directrix is:
y = -a or y +a=0
Then the equation of the directrix is:
y = - 1/2 or
y = + 1/2 = 0
Then the equation of the directrix will be 2 y +1 =0.
Therefore, The coordinates of the focus and the equation of the directrix is option B: focus: (0, one-half); directrix: y = negative one-half.
See full question below
A parabola can be represented by the equation x2 = 2y. What are the coordinates of the focus and the equation of the directrix? focus: (0,8); directrix: y = –8 focus: (0, one-half); directrix: y = negative one-half focus: (8,0); directrix: x = –8 focus: (one-half, 0); directrix: x = negative one-half
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Suppose matrix B is the inverse of matrix A. Use your knowledge of inverses and matrix multiplication to answer the following: AB
Answers
AB will be an Identity matrix.
What is an identity matrix?A square matrix with 1s on the main diagonal and 0s everywhere else is an identity matrix. The identity matrices 22 and 33, for example, are presented below. These are known as identity matrices because they produce the identity matrix when multiplied by a compatible matrix.If the answer to a matrix multiplication problem is an identity matrix, then each of the two matrices is an inverse matrix of the other. When the matrix is multiplied by the original matrix, the result is the identity matrix.As it is given in the description itself, if the answer to a matrix multiplication problem is an identity matrix, then each of the two matrices is an inverse matrix of the other.
Therefore, AB will be an Identity matrix.
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Answer:
AB= I
ABA=A
BBA=B
BBAA=I
Step-by-step explanation:
just took the test on edge. 2022
A rock is thrown into a still pond. The circular ripples move outward from the point of impact of the rock so that the radius of the circle formed by a ripple increases at the rate of 3 feet per minute. Find the rate at which the area is changing at the instant the radius is 4 feet.
Answers
The rate of change of area when radius = 4feet is 75.36 feet²/min.
What is area?Area definition, any particular extent of space or surface.
Area of circle = πr²
Let the area of the circle be πr²
dr/dt = 3feet/min (GIVEN)
Differentiating both sides with respect to time:
A = πr²
dA/dt = π(2r).(dr/dt)
dA/dt = (2 * 3.14 * r).(dr/dt)
The rate of change of area when radius = 4feet
dA/dt = (2 * 3.14 * 4).(3)
dA/dt = 75.36
Hence, the rate of change of area is 75.36feet²/min.
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please help
Which reason completes the proof for step 6?
Answers
The reason that completes the proof for step 6 is (a) Definition of median
How to complete step 6?From the graph, point R' to be the midpoint of points M' and O'
Also, points P' and Q' are the midpoints of lines M'N' and N'O', respectively
This means that the three points are the median of the sides of the triangle
The line drawn through the three medians meet at point S
Hence, the reason that completes the proof for step 6 is (a) Definition of median
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Answer: median
Step-by-step explanation:
Select the correct answer from each drop-down menu.
Consider the function f(x) = 3x + 1 and the graph of the function g(x) shown below.
A coordinate plane linear graph function shows a line intersecting Y-axis at minus 5 and X-axis at 1.5.
The graph g(x) is the graph of f(x) translated
units
, and g(x) =
.
Answers
there are two correct options:
A translation of 6 units down: g(x) = f(x) - 6A translation of 2 units to the right: g(x) = f(x - 2).How to relate the function g(x) to the function f(x)?
We know that:
f(x) = 3x + 1
Now, if we look at the graph of f(x), we can see that the y-intercept is at y = -5, and for each increase in one unit in the x-variable, there is an increase of 3 units in the y-variable.
Then the equation of g(x) is:
g(x) = 3*x - 5
Then g(x) is a translation downwards of 6 units, such that:
g(x) = f(x) - 6 = (3x + 1) - 6 = 3x - 5
And we also could write it as a horizontal translation of 2 units to the right:
g(x) = f(x - 2) = 3*(x - 2) + 1 = 3*x - 3*2 + 1 = 3x - 5
So there are two correct options:
A translation of 6 units down: g(x) = f(x) - 6A translation of 2 units to the right: g(x) = f(x - 2).If you want to learn more about translations:
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During one month there were 7 days of precipitation. what if there had only been 3 days of precipitation that month? how would that change the measures of center? if necessary, round your answers to the nearest tenth.
Answers
The Mean will decrease while the Median and the Mode will remain with the same amount.
For Central Measures, we have Median, Mode and Mean. They try to describe the whole distribution by one value, in the center of it.
For this question, let's pick some examples from the Old Faithful, WY Station to the National Oceanic and Atmospheric Administration from 2015, January
1st Case Scenario:
For 7 days of precipitation, (Snow, ice pellets, etc. rain) in inches:
19 19 19 24 23 23 23 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Mean = 5
Median=0 (the sum of the 15th+16th position over 2)
Mode=0 (Most common observations)
2nd Case Scenario
For 3 days of precipitation, (Snow, ice pellets, etc. rain) in inches:
0 0 0 24 0 0 23 0 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Mean = 2.2
Median =0
Mode=0
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Let z = 3(cos(15°) + i sin(15°)) and w = 5(cos(90°) + i sin(90°)). What best describes the geometric construction of the quotient z/w on the complex plane?
z is scaled by a factor of One-fifth and rotated 90 degrees clockwise.
z is scaled by a factor of 1 and rotated 90 degrees clockwise.
z is scaled by a factor of 1 and rotated 90 degrees counterclockwise.
z is scaled by a factor of One-fifth and rotated 90 degrees counterclockwise.
Answers
The best description of the geometric construction of the quotient z/w on the complex plane is; Option A; z is scaled by a factor of One-fifth and rotated 90 degrees clockwise
How to find Complex Trigonometric numbers?
We are given;
z = 3(cos(15°) + i sin(15°))
w = 5(cos(90°) + i sin(90°))
Now, if we want to find the quotient z/w, it is clear that in geometric construction, the procedure will be to scale z by a factor of 1/5 and thereafter we will rotate by 90° clockwise.
Thus, option A is the correct answer.
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A public health organization reports that 40%of baby boys 6-8 months old in the United
States weigh more than 20 pounds. A sample of 10 babies is studied. Round the answers to three decimal places.
what is the probability that more than 4 weigh more than 20 pounds
What is the probability that fewer than 3 weigh more than 20 pounds?
Would it be unusual if more than 7 of them weigh more than 20 pounds?
Answers
Using the binomial distribution, the probabilities are given as follows:
0.3675 = 36.75% probability that more than 4 weigh more than 20 pounds.0.1673 = 16.73% probability that fewer than 3 weigh more than 20 pounds.Since P(X > 7) < 0.05, it would be unusual if more than 7 of them weigh more than 20 pounds.What is the binomial distribution formula?The formula is:
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
The parameters are:
x is the number of successes.n is the number of trials.p is the probability of a success on a single trial.The values of the parameters for this problem are:
n = 10, p = 0.4.
The probability that more than 4 weigh more than 20 pounds is:
[tex]P(X > 4) = 1 - P(X \leq 4)[/tex]
In which:
[tex]P(X \leq 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)[/tex]
Then:
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]P(X = 0) = C_{10,0}.(0.4)^{0}.(0.6)^{10} = 0.0061[/tex]
[tex]P(X = 1) = C_{10,1}.(0.4)^{1}.(0.6)^{9} = 0.0403[/tex]
[tex]P(X = 2) = C_{10,2}.(0.4)^{2}.(0.6)^{8} = 0.1209[/tex]
[tex]P(X = 3) = C_{10,3}.(0.4)^{3}.(0.6)^{7} = 0.2150[/tex]
[tex]P(X = 4) = C_{10,4}.(0.4)^{4}.(0.6)^{6} = 0.2502[/tex]
Hence:
[tex]P(X \leq 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) = 0.0061 + 0.0403 + 0.1209 + 0.2150 + 0.2502 = 0.6325[/tex]
[tex]P(X > 4) = 1 - P(X \leq 4) = 1 - 0.6325 = 0.3675[/tex]
0.3675 = 36.75% probability that more than 4 weigh more than 20 pounds.
The probability that fewer than 3 weigh more than 20 pounds is:
P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0.0061 + 0.0403 + 0.1209 = 0.1673
0.1673 = 16.73% probability that fewer than 3 weigh more than 20 pounds.
For more than 7, the probability is:
[tex]P(X > 7) = P(X = 8) + P(X = 9) + P(X = 10)[/tex]
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]P(X = 8) = C_{10,8}.(0.4)^{8}.(0.6)^{2} = 0.0106[/tex]
[tex]P(X = 9) = C_{10,9}.(0.4)^{9}.(0.6)^{1} = 0.0016[/tex]
[tex]P(X = 10) = C_{10,10}.(0.4)^{10}.(0.6)^{0} = 0.0001[/tex]
Since P(X > 7) < 0.05, it would be unusual if more than 7 of them weigh more than 20 pounds.
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Ian is borrowing $1000 from his parents to buy a notebook computer. he plans to pay them back at the rate of $60 per month. ken is borrowing $600 from his parents to purchase a snowboard. he plans to pay his parents back at the rate of $20 per month. write a system equations that can be used to determine after how many months the boys will owe the same amount.
Answers
A system equations that can be used to determine after how many months the boys will owe the same amount is
60 x = $ 1000
20 y = $ 600
In mathematics, a system of equations, also known as a system of simultaneous or systems of equations, is a finite system of equations for which we have sought common solutions. A system of equations can be classified in a similar way to simple equations. A system of equations finds application in our everyday life in modeling problems where unknown values can be represented in the form of variables.
In algebra, a system of equations contains two or more equations and looks for common solutions to the equations. "A system of linear equations is a set of equations that are satisfied by the same set of variables."
We need to find a system equations that can be used to determine after how many months the boys will owe the same amount
Let lan take x months to pay $ 1000 to his parents
In 1 month Ian pays $60
In x months Ian pays =
60 x= $ 1000
Let Ken take y months to pay $ 600 to his parents
In 1 month Ian pays $20
In y months Ian pays =
20 y= $ 600
Hence 60 x= $ 1000 and 20 y= $ 600 are the system of equations
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Change y = − 3x² + 36x - 73 to standard form, y = a (x - h)² + k.
Answers
The standard form of the given equation is: y = -3(x-6)²+35.
In mathematics, the most typical way to represent a specific element is called standard form.
A standard form is a way to express a particular mathematical idea, such as an equation, number, or expression, in prose that adheres to a set of criteria.
Given equation is: y = − 3x² + 36x - 73
In order to convert to the standard form,
y+73 = −3x² +36x
Subtract 108 from both the sides,
y+73-108 = −3x² +36x-108
y-35 = -3(x² -12x+36)
y-35 = -3(x-6)²
y = -3(x-6)²+35
This is the required standard form, corresponding to the given equation.
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Find the value of x in the given figure
Answers
Step-by-step explanation:
3x° + 2x° = 180° ( supplementary angle )
5x° = 180°
x = 180° / 5
x = 36°
[tex]...[/tex]
Nora works at a retail store. She earns a commission of $5.50 on each item she sells. If she sells 17 items, how much does she earn from commissions?
Answers
The total earnings in commission is $93.50
How to determine the total commission?The given parameters are:
Commission = $5.50
Items = 17
The total commission is:
Total = $5.5 0 * 17
Evaluate
Total = $93.50
Hence, the total earnings in commission is $93.50
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Find the principal needed now to get the given amount; that is, find the present value.
To get $100 after 4 years at 10% compounded monthly.
The present value of $100 is ?
Answers
The length of a rectangle is 6 inches more than its width. Its area is 91 square inches. The length is .
Answers
Answer:
13 in
Step-by-step explanation:
let w be width then length is w + 6
the area (A) of a rectangle is calculated as
A = length × width , then
A = w(w + 6) = 91 , that is
w² + 6w = 91 ( subtract 91 from both sides )
w² + 6w - 91 = 0 ← in standard quadratic form
(w + 13)(w - 7) = 0 ← in factored form
equate each factor to zero and solve for w
w + 13 = 0 ⇒ w = - 13
w - 7 = 0 ⇒ w = 7
however, w > 0 then w = 7
and length = w + 6 = 7 + 6 = 13 in
If there are fifty raffle tickets in a jar, and only two will be drawn out, and you own two of them, what chance do you have of owning both winning tickets?
Answers
Answer:
1/25
Step-by-step explanation:
Answer:
I think it may be 1/1225
Step-by-step explanation:
first chance is 2/50 and second chance is 1/49 as one card decrease at first. So multiplying it we get 1/1225.
The perimeter of a deck is 33 at the length of the deck is 10 feet what is the width of the deck
Answers
The width of the deck is 6.5 feet.
The perimeter of a two-dimensional shape is the total length of the outline. To find the perimeter of a rectangle, we add the lengths of all four sides. Since opposite sides of a rectangle are always equal, we need to find the dimensions of length and width to find the perimeter of a rectangle. We can write the perimeter of the rectangle as twice the sum of its length and width. The perimeter is a linear measure and has units as meters, centimeters, inches, feet, etc.
Assuming the deck is rectangle
Perimeter = 2(length + width)
33ft = 2 (10 + width)
16.5 = 10 + width
width = 6.5 ft
Thus the width of the deck is 6.5 feet.
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Please help me im stuckkm
Answers
Answer:
Below in bold.
Step-by-step explanation:
(a) Using the Pythagoras theorem:
30^2 = 21^2 + p^2
p^2 = 30^2 - 21^2 = 459
p = √459
= 21.4 cm to nearest tenth.
(b) cos P = 21/30 = 0.70
m < P = 45.57 degrees to nearest hundredth.
Answer:
a) p = 21.4 cm (nearest tenth)
B) P = 45.6° (nearest tenth)
Step-by-step explanation:
As triangle PQR is a right triangle, we can use Pythagoras Theorem to find the length of p.
Pythagoras Theorem
[tex]a^2+b^2=c^2[/tex]
where:
a and b are the legs of the right trianglec is the hypotenuse (longest side) of the right triangleFrom inspection of the triangle:
a = PQ = 21b = QR = pc = PR = 30Substitute the given values into the formula and solve for p:
[tex]\implies 21^2+p^2=30^2[/tex]
[tex]\implies 441+p^2=900[/tex]
[tex]\implies 441+p^2-441=900-441[/tex]
[tex]\implies p^2=459[/tex]
[tex]\implies \sqrt{p^2}=\sqrt{459}[/tex]
[tex]\implies p=\pm 3\sqrt{51}[/tex]
As p is the length, p can be positive only.
Therefore, p = 21.4 cm (nearest tenth)
To find the angle P, use the cosine trigonometric ratio.
Cosine trigonometric ratio
[tex]\sf \cos(\theta)=\dfrac{A}{H}[/tex]
where:
[tex]\theta[/tex] is the angleA is the side adjacent the angleH is the hypotenuse (the side opposite the right angle)From inspection of the triangle:
[tex]\theta[/tex] = PA = PQ = 21H = PR = 30Substitute the given values into the formula and solve for P:
[tex]\implies \sf \cos P=\dfrac{21}{30}[/tex]
[tex]\implies \sf P=\cos^{-1}\left(\dfrac{21}{30}\right)[/tex]
[tex]\implies \sf P=45.572996^{\circ}[/tex]
Therefore, the measure of angle P is 45.6° (nearest tenth).
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A rectangle is reduced by a scale factor of One-fourth.
A large rectangle has a length of 16 and width of 12. A smaller rectangle has length of 4 and width of 3.
Which choices show the ratio of the area of the smaller rectangle to the area of the larger rectangle? Select three options.
Answers
The ratio of the area of the smaller rectangle to the area of the larger rectangle is 1:16
Area of a rectangle
The formula for calculating the area of a rectangle is expressed as:
A = length * width
For the large triangle
Area = 16 * 12
Area of large triangle = 192 square units
For the smaller rectangle
Area = 4 * 3
Area. of small rectangle = 12 square units
Ratio = 12/192 = 1:16
Hence the ratio of the area of the smaller rectangle to the area of the larger rectangle is 1:16
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Find the surface area of the composite figure.
8 cm
6 cm
7 cm
8 cm
SA =
6 cm
[ ? ] cm²
9 cm
6 cm
If you'd like,
you can use a
calculator.
Enter
Answers
Answer:
The Answer Is 382...
Step-by-step explanation:
the base of an isosceles triangle is 4/3 cm . the perimeter of the triangle is 4 2/15 cm.
Answers
Answer:
[tex]\sf 1\dfrac{2}{5} \ cm[/tex]
Step-by-step explanation:
Isosceles triangle:If two sides of the triangle are equal, then the triangle is called isosceles triangle.
Let the two equal sides = x cm
Perimeter of the triangle = [tex]\sf 4\dfrac{2}{15}[/tex] cm
[tex]\sf x + x + \dfrac{4}{3}=4\dfrac{2}{15}\\\\[/tex]
[tex]\sf 2x +\dfrac{4}{3}=\dfrac{62}{15}[/tex]
[tex]\sf 2x = \dfrac{62}{15}-\dfrac{4}{3} \ [\text{\bf LCM of 15 , 3 = 15}]\\\\2x = \dfrac{62}{15}-\dfrac{4*5}{3*5}\\\\2x = \dfrac{62}{15}-\dfrac{20}{15}\\\\2x = \dfrac{42}{15} \ [\text{\bf Divide both sides by 2}]\\\\ x = \dfrac{42}{15*2}\\\\ x = \dfrac{7}{5}\\\\ x = 1\dfrac{2}{5}[/tex]
[tex]\sf \boxed{\text{Equal sides of isosceles triangle = $1\dfrac{2}{5}$ cm}}[/tex]
Simplify the expression below. Then classify the resulting expression
as a monomial, binomial, or trinomial.
3x²+6x+5-3x(2+x)
Which of the following represents the simplified expression and its
polynomial classification?
Answers
Answer:
Simplified = 5
Classification = Monomial
Step-by-step explanation:
PART I: Simplify the expressionGiven expression:
3x² + 6x + 5 - 3x (2 + x)
Expand parenthesis by distributive property:
= 3x² + 6x + 5 - 3x (2) - 3x (x)
= 3x² +6x + 5 - 6x - 3x²
Put like terms together:
= 3x² - 3x² + 6x - 6x + 5
= 0 + 0 + 5
= [tex]\boxed{5}[/tex]
PART II: Classify polynomialConcept:
Polynomial is classified by the number of terms a polynomial has.
Monomial: a polynomial with only one termBinomial: a polynomial with two terms...Classify the given expression:
Original = 3x² + 6x + 5 - 3x (2 + x)
Simplified = 5
5 is a constant and it has only one term
Therefore, it is a monomial.
Hope this helps!! :)
Please let me know if you have any questions
The answer is 5, which is a monomial.
Let's simplify using the distributive property.
3x² + 6x + 5 - 3x(2) - 3x(x)3x² + 6x + 5 - 6x - 3x²5If the resulting expression has only one term, it is classified as a monomial.
Which of the following describes the graph of {x | 1 < x < 2}? open circles on 1 and 2, arrows pointing out no solution open circles on 1 and 2 open circles on 1 and 2, line segment betweenWhich of the following describes the graph of {x | 1 < x < 2}? open circles on 1 and 2, arrows pointing out no solution open circles on 1 and 2 open circles on 1 and 2, line segment between
Answers
The open circles on 1 and 2 describe the graph of {x | 1 < x < 2}.
According to the statement
we have to describe the graph of {x | 1 < x < 2}.
In this type of graph there will be open circle because there is no equal sign in the statement.
there will be a line segment in between...because basically, u would put an open circle on 1, and open circle on 2 and shading in between.
so, in this statement we have given a some statements which are represent the given graph but only one. and from all of these
The condition having a open circles 1 and 2 represent the graphical representation than others because except this condition all are incapable to represent the graph.
So, The open circles on 1 and 2 describe the graph of {x | 1 < x < 2}.
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Solve the equation by completing the square.
0 = x²14x + 46
a x = 7 ± √3
b x = -7 ± √3
c 14 ± √3
d -14 ± √3
Answers
Answer:
[tex]0 = {x}^{2} + 14x + 46[/tex]
[tex] \boxed{ {x}^{2} - 14x - 46 = 0}[/tex]
[tex]x1.2 = \frac{ - b ± \sqrt{ {b}^{2} - 4ac } }{2a} [/tex]
[tex]x1.2 = \frac{ - 14 ± \sqrt{ { - 14}^{2} - 4(1 \times 46) } }{2 (1)} [/tex]
[tex]x1.2 = \frac{ - 14 ± \sqrt{196 - 184} }{2} [/tex]
[tex]x1.2 = \frac{ - 14 ± \sqrt{12} }{2} [/tex]
[tex]x1.2 = \frac{ \cancel{ - 14} ± \sqrt{12} }{ \cancel{2} } [/tex]
[tex]x1.2 = - 7 ± \sqrt{12} [/tex]
[tex]x1.2 = - 7 ± \sqrt{4 \times 3} [/tex]
[tex] \boxed{ \bold{ - 7 ± 2 \sqrt{3}}} [/tex]
Answer:
its a I hope it's helps you
The function a(b) relates the area of a trapezoid with a given height of 12 and
one base length of 9 with the length of its other base.
It takes as input the other base value, and returns as output the area of the
trapezoid.
2.b19
a(b)-12..
Which equation below represents the inverse function b(a), which takes the
trapezoid's area as input and returns as output the length of the other base?
A. b(a)-2-9
B. b(a)-+9
OC. b(a)- +6
OD. b(a)-9-6
Answers
The inverse function of [tex]A(b) = 12 \cdot \frac{b + 9}2[/tex] is b(a) = a/6 - 9
How to determine the inverse function?The function is given as:
[tex]A(b) = 12 \cdot \frac{b + 9}2[/tex]
Divide 12 by 2
[tex]A(b) = 6 \cdot (b + 9)[/tex]
Rewrite the function as
[tex]a = 6 \cdot (b + 9)[/tex]
Divide both sides by 6
a/6 = b + 9
Subtract 9 from both sides
b = a/6 - 9
Express as a function
b(a) = a/6 - 9
Hence, the inverse function of [tex]A(b) = 12 \cdot \frac{b + 9}2[/tex] is b(a) = a/6 - 9
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If she was vaping every 15 minutes, assuming she was awake from 7 am- 11 pm (16 hours) how many times in a day would she vape?
Answers
Answer:
64 times
Step-by-step explanation:
16 hours to minutes: 16*60 = 960 minutes
vaping every 15 minutes: 960/15 = 64
(-1,1) (0,-1) (5,-11) (10,-21) what is the domain of the set of ordered pairs above?
Answers
Answer:
domain =(-1,0,5,10)to find domain just take the first values of each ordered pairs.
range=(1,-1,-11,-21)to find range take the second values of the ordered pairs.