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A rectangle has side lengths of 9x+12 and 3x+7. What is the perimeter
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A rectangle has side lengths of 9x+12 and 3x+7. What is the perimeter

A rectangle has side lengths of 9x+12 and 3x+7. What is the perimeter-example-1
User Mohi Rostami
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2 Answers

5 votes
24x+38

I just doubled each side and got this
User JensJensen
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2 votes

Answer:

B. 24x + 38

Explanation:

Since this is a rectangle, there will be a pair of sides that are the same. With perimeter, add up the side lengths.


2(9x+12)+2(3x+7)\\\\18x+24+6x+14\\\\24x+38

User Ghchinoy
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