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A rectangle has length of 2x+4 and width of 5x²+7x-3. Find the perimeter of the rectangle if the length is 10 inches.

A rectangle has length of 2x+4 and width of 5x²+7x-3. Find the perimeter of the rectangle if the length is 10 inches.
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A rectangle has length of 2x+4 and width of 5x²+7x-3. Find the perimeter of the

rectangle if the length is 10 inches.

asked
User Rotemmiz
by
8.9k points

1 Answer

4 votes

Answer:

146 inches

Explanation:


2x+4=10 \implies x=3 \\ \\ w=5(3)^2+7(3)-3=45+21-3=63 \\ \\ P=2(10+63)=146

answered
User Jason Hoetger
by
8.3k points
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