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alisha [4.7K]
3 years ago
13

An employee earns $21.87 per hour after receiving a 8 % raise. What was the employee's hourly pay before raise? Round your answe

r to the nearest cent.
Mathematics
1 answer:
lutik1710 [3]3 years ago
3 0
The answer would be $20.12 because you have to multiply the new pay(21.87) by the raise(.08). You should get 1.749, round that up to 1.75 and subtract 1.75 from 21.87. That will be the original pay being $20.12 or $20.1
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A sport analyst wants to determine the mean salary of a Baseball player for 2015. He believes an estimate of this average salary
djyliett [7]

Answer:

<em>The large sample size 'n' =  199.6569≅ 200</em>

Step-by-step explanation:

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

Given Standard deviation of salary for all baseball players for 2015 is about $5,478,384.55

<em>Standard deviation of  of salary for all baseball players for 2015 </em>

<em>   (S.D ) σ =  $5,478,384.55</em>

Given estimate of this average salary for all baseball players for 2015

                          =  $497,000

<em>Given Margin of error of error is  =  $497,000 </em>

<em>Level of significance ∝ = 80% </em>

<em>The critical value Z₀.₂₀ = 1.282  </em>

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

<em>Margin of error of error is  determined by</em>

<em>           </em>M.E = \frac{Z_{0.20} S.D}{\sqrt{n} }<em></em>

<em>          </em>497,000 = \frac{1.282 X 5,478,384.55}{\sqrt{n} }<em></em>

Cross multiplication , we get

 \sqrt{n}  = \frac{1.282 X 5,478,384.55}{497,000 }

On calculation , we get

√n = 14.13

<em>Squaring on both sides, we get</em>

n = 199.6569

<u><em>Conclusion</em></u><em>:-</em>

<em>The large sample size 'n' =  199.6569≅ 200</em>

<em>    </em>

<em></em>

7 0
3 years ago
Please help <br>I will make Brainleist if you give correct answer ​
spayn [35]

Answer:

A. 2

Step-by-step explanation:

y = 2m + 6

          - _2_

     _2m_ =  _4_

        2           2

m = 2

MARK ME BRAINLIEST!!!!!!!!

5 0
2 years ago
A High School booster club sets up an academic scholarship that is awarded to one student each year. The formula y=2700x can be
djyliett [7]

Answer:

$32,400

Step-by-step explanation:

We can just replace 12 for x in the equation y = 2700x

y = 2700x

y = 2700(12)

y = 32,400

The money paid after 12 years is $32,400

-Chetan K

4 0
2 years ago
Read 2 more answers
7=3/8x-2<br> What is the answer show your work
Marina CMI [18]

Answer:

x = 24

Step-by-step explanation:

Firstly, isolate x by adding 2 to both sides.

9 = 3/8x

Then, multiply 8 to both sides.

72 = 3x

Then, divide both sides by 3.

24 = x

4 0
3 years ago
Read 2 more answers
Round up 0.12 to the nearest tenth
nata0808 [166]
0.12 rounded to the nearest tenth is 0.10
8 0
3 years ago
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