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o-na [289]
2 years ago
7

Plz explain.This to me will brainliest.

Mathematics
1 answer:
Alex777 [14]2 years ago
8 0

\$228.75\ per\ week\\\\one-fifth\to\dfrac{1}{5}\ of\ her\ earnings\ each\ week\ is\ equal\\\\\dfrac{1}{5}\cdot\$228.75=\$45.75\\\\\text{How much money will she have saved after 2 months?}\\\\Two\ months\ it's\ 59-62\ days.\ It's\ less\ than\ 9\ weeks.\\Calculate\ for\ 8\ weeks.\\\\Therefore\ your\ answer\ is\ \$45.75\cdot8=\$366.00

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Kiana wants to write equations in the form y = mx + b for the lines passing through
horrorfan [7]

Answer:

'Substitute the slope and the coordinates of point P(-3,2) in y = mx + b and then solve for b in each equation'.

Step-by-step explanation:

Kiana wants to write equations in the form y = mx + b for the lines passing through point P that are parallel and perpendicular to line q.  

This equation is in the slope-intercept form where m is the slope and b is the y-intercept.

First, she finds the slope of line q and the slope of line s to be – 2. Point P is located at (-3,2).

Therefore, the step that can be used to find the y-intercept is 'substitute the slope and the coordinates of point P(-3,2) in y = mx + b and then solve for b in each equation'. (Answer)

3 0
3 years ago
What is the product of<br> (5^-4)(5^-3)
Nataliya [291]

Answer:

option one is the correct answer

4 0
2 years ago
Read 2 more answers
The first eight quizzes in this class had average scores of 8,9,9,8,8,9,8,7. This gives a sample mean of 8.25 and a sample stand
alexira [117]

Answer:

<em>Test statistic </em>

<em>               </em>t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }  

            t = <em>1.076</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given Mean of the Population (μ) = 8.0

<em>Mean of the sample (x⁻) = 8.25</em>

Given data

                  8,9,9,8,8,9,8,7

Given sample size  n= 8

Given sample standard deviation(S) = 0.661

<u><em>Step(ii):-</em></u>

<em>Null hypothesis : H:  (μ) = 8.0</em>

<em>Alternative Hypothesis :H:(μ) > 8.0</em>

<em>Degrees of freedom = n-1 = 8-1=7</em>

<em>Test statistic </em>

<em>               </em>t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }<em></em>

<em>              </em>t = \frac{8.25 -8.0}{\frac{0.661}{\sqrt{8} } }<em></em>

<em>            t =  1.076</em>

<em>Critical value </em>

<em>                    t₍₇,₀.₀₅₎   = 2.3646</em>

<em>The calculated value   t =  1.076 < 2.3646 at 0.05 level of significance</em>

<em>Null hypothesis is accepted</em>

<em>Test the hypothesis that the true mean quiz score is 8.0 against the alternative that it is not greater than 8.0</em>

<em></em>

3 0
2 years ago
What is 1 + 1 ????<br><br><br> thank you next (;
Step2247 [10]

Answer: 2

Step-by-step explanation:

1 + 1 = 2

5 0
3 years ago
Read 2 more answers
Find the missing dimension of each prism.
Leto [7]

Given:

Volume of the prism = 60 in³

Breadth = 2.5 in

Height = 4 in.

To find:

The length of the prism.

Solution:

We know that, volume of a prism is

V=l\times b\times h

where, l is length, b is breadth and h is height.

Putting V=60, b=2.5 and h=4, we get

60=l\times 2.5\times 4

60=l\times 10

Divide both sides by 10.

\dfrac{60}{10}=l

6=l

Therefore, the missing dimension of the prism is 6 in.

7 0
2 years ago
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