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gulaghasi [49]
3 years ago
5

I need help asap thank you

Mathematics
2 answers:
scoray [572]3 years ago
6 0

the answer is 37.7

hope i helped:)

alisha [4.7K]3 years ago
5 0

Area of big circle: \pi 4^2 = 50.27

Area of small circle: \pi 2^2 = 12.57

50.27 - 12.57 = 37.7

Area of shaded region: 37.7 in²

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Montano1993 [528]
Hello! 

The Correct Answer to this is that <span>7 divided by 20 or 7/20 equals:

"7/20 = 0.35"

</span>Explanation:

Since you are trying to find equivalent values for 7/20, you can make two proportions and set them equal to each other. The following states that "7 out of 20 is equal to some amount out of 100."

<span><span>7/20</span>=<span>x/100</span></span>

Solve by cross multiplying:

<span>20x=700</span>

Divide both sides by 20 to isolate x:

<span>x=35</span><span> Therefore, </span><span><span>7/20</span>=<span>35/100</span></span><span>. This is the same as saying 35%, since by definition "per" means out of, and "cent" means hundred. To make it into a decimal just move the decimal place two digits to the left, such that 35.00 becomes 0.35, and 100.00 becomes 1. Then it is simply </span><span>0.35/1</span><span>, or 0.35</span>

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Hope this Helps! Have A Wonderful Day! :)</span>
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