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3 years ago

10

It costs $35 per hour to rent a boat at the lake. You also need to pay a $25 fee for safety equipment. You have $200. For how lo

ng can you rent the boat? CLEAR

2 answers:

Rina8888 [55]3 years ago

6 0

Answer: You can rent the boat for 5 hours

Step-by-step explanation:

1 hour=60

2 hour=95

3 hour=130

4 hour=165

5 hour=200

Rama09 [41]3 years ago

3 0

$200 - $25 = $175

175/35= 5

5 hours

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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>

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schepotkina [342]

Answer:

Last option (bottom right)

Step-by-step explanation:

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2 years ago

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Alekssandra [29.7K]

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2 years ago

et mA = 40°. If B is a complement of A, and C is a supplement of B, find these measures. mB = ° mC = °

Free_Kalibri [48]

Alright, lets get started.

We have given angle A = 40°

We are also given angle B is complement of A.

Complementary angles are two angles whose sum is 90, it means

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angle B = 50° Answer

Now given, angle C is supplement of angle B.

Supplementary angles are two angles whose sum is 180°.

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Hope it will help :)

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3 years ago