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Setler79 [48]
3 years ago
14

PLEASE PLEASE ANSWERS 1-8

Mathematics
1 answer:
Darya [45]3 years ago
4 0
1.=D
2.=D
3.=A
4.
5.=8

i dont know any more doubke check my answers though
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Two triangular roofs are similar. the ratio of the corresponding sides of these roofs is 2:3. if the altitude of the smaller roo
disa [49]
The answer is:  "6.75 ft."  .
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Explanation:
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 2 / 3 = (4.5) / x ;  Solve for "x" ;

     2x = (3)(4.5) ;

Divide each side of the equation by "2" ; to isolate "x" on one side of the equation; and to solve for "x" ;
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    2x / 2 = [3*(4.5)] / 2 ; 

    to get:  x  = (13.5)/2 = 6.75 ft.  This is already rounded to the
                                                       nearest hundredth.
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8 0
3 years ago
A researcher is interested in estimating the average salary of police officers in a large city. She wants to be 95% sure that he
inn [45]

Answer:

The sample size is 183.

Step-by-step explanation:

Given:

σ = $1050, ppulatin standard deviation

99% confidence interval

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Therefore

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√n = (2.576*1050)/200 = 13.524

n = 182.9

<em>The sample size is 183</em>

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6 0
3 years ago
Convert 15/20 into a percent<br><br>A)0.3%<br>B)3.0%<br>C)30%
anzhelika [568]

15/20

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0.75 * 100

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your answer is 75%

4 0
3 years ago
A biker travels at a rate of 20 miles per hour. Calculate
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3 0
3 years ago
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I don't understand this problem.. please help.. 33 • 32 + 12 ÷ 4
Vlad [161]
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6 0
4 years ago
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