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nasty-shy [4]
2 years ago
8

Jana earns $25 per week for mowing the lawn and deposits the money into her savings account. The amount of money in Jana’s accou

nt can be represented by the equation y = 25x + 125, where x is the number of weeks she has been mowing the lawn. What does the y-intercept of the graph represent in this situation?
Mathematics
1 answer:
Verizon [17]2 years ago
5 0

Answer:

  The amount of money in the account in addition to that earned from mowing lawns.

Step-by-step explanation:

125 is the amount in the account when 0 weeks are spent mowing lawns. Presumably, it is the initial value of the account before the first lawn money is added.

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The graph of y = RootIndex 3 StartRoot x minus 3 EndRootis a horizontal translation of y = RootIndex 3 StartRoot x EndRoot. Whic
LUCKY_DIMON [66]

Answer:

Step-by-step explanation

The graph of the cube root parent function y = ^3√x is translated to form f(x) shown on the graph. Which equation represents f(x)?

A: f(x) = ^3√x + 6 +1

The graph of g(x) is a reflection and translation of f(x) = = ^3√x. Which equation represents g(x)?

D: g(x) = -^3√x - 1

The function s(V) = ^3√v describes the side length, in units, of a cube with a volume of V cubic units. Jason wants to build a cube with a minimum of 64 cubic centimeters. What is a reasonable range for s, the side length, in centimeters, of Jason's cube?

s ≥ 4

The graph of f(x) = ^3√x + 8 is shown. Which statement is true?

NOT The function is only increasing when x ≥ −8.

Which statements describe the graph of y = ^3√x - 1 +2? Check all that apply.

The graph has a domain of all real numbers.

The graph has a y-intercept at (0, 1).

The graph has an x-intercept at (-7, 0).

The graph shows the function f(x).

Which equation represents f(x)?

f(x) = ^3√-x -1

Which is the graph of the cube root function f(x) = ^3√x?

B

The graph of y = ^3√x is reflected over the y-axis and then translated down 2 units to form f(x). Which is the graph of f(x)?

B

On the coordinate grid, the graph of y = ^3√x - 1 +3 is shown. It is a translation of y = ^3√x. What is the domain of the graphed function?

{x| x is a real number}

5 0
2 years ago
Read 2 more answers
Exhibit 11-2 We are interested in determining whether the variances of the sales at two music stores (A and B) are equal. A samp
Fiesta28 [93]

Answer:

Option A , should not be rejected

Step-by-step explanation:

From the question we are told that:

Sample 1 n=25

Standard deviation 1 \sigma_1=30

Sample 2 n=16

Standard deviation 2 \sigma_2=20

Level of  confidence \alpha=95\%=>0.95

Generally The Hypothesis are given as

 H_0:\sigma_1^2=\sigma_1^2

 H_1:\sigma_1^2\neq \sigma_1^2

Generally the equation for test Statistics is mathematically given by

 T=\frac{\sigma_1^2}{\sigma_2^2}

 T=\frac{30^2}{20^2}

 T=2.25

Therefore

Critical Value

 X=(\alpha,df_1)

 X'=(\alpha,df_2)

Where

 df=n-1

Therefore

 X=(0.95,24)

 X'=(0.95,15)

From Table

 T_{Critical}=T_x,T_{x'}

 T_{Critical}=0.41,2.701

Therefore

 T_x

Hence,We fail to reject the Null Hypothesis H_0

Option A , should not be rejected

3 0
1 year ago
Trapezoid CDEF was reflected across the x-axis followed by a 90° rotation about the origin to create the other trapezoid shown o
Delicious77 [7]

Answer:

yes

Step-by-step explanation:

7 1
2 years ago
Read 2 more answers
Which equation represents the graphed function?
Alika [10]

Answer:

y = -1/3x +3

Step-by-step explanation:

First we need to find the slope

m = (y2-y1)/(x2-x1)

   = (2-3)/(3-0)

   -1/3

Then we know the y intercept( where it crosses the y axis)

It crosses at y=3

The slope intercept form is

y= mx+b  where m is the slope and b is the y intercept

y = -1/3x +3

5 0
2 years ago
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Triangle ABC was dilated and translated to form similar triangle A'B'C'.
Hunter-Best [27]
Dilation refers to a non rigid motion where a figure is transform and its image has the same form but a different size measure.

On this exercise is asked to find the scale factor by which the triangle ABC was 
dilated to produce the triangle A'B'C'. 
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As can be see on the picture the dilation produce was an enlargement meaning that the image is larger that the preimage.
Of this form you can discard the choices A and B as possible solutions.

Lets try 5/2 as the possible scale factor:
(x,y)-- (kx, ky)
A(0,2)--(5/2(0),5/2(2))=A'(0,5)
B(2,2)--(5/2(2),5/2(2))=B'(5,5)
C(2,0)--(5/2(2),5/2(0))=C'(5,0)

Lets try 5/1 or 5 as the scale factor:
A(0,2)--(5(0),5(2))=A'(0,10)
B(2,2)--(5(2),5(2))=B'(10,10)
C(2,0)--(5(2),5(0))=C'(10,0)

As said at the beginning of the question the triangle was not only dilated.
After a dilation and a translation, the scale factor of the dilation is letter C or 5/2.  

3 0
2 years ago
Read 2 more answers
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