SOLUTION: pg. 255 92) Perimeter of a rectangle. The width of a rectangle playground is 2x - 5 feet, and the length is 3x + 9 feet. Write a polynomial P(x) that represents the perimeter an

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: pg. 255 92) Perimeter of a rectangle. The width of a rectangle playground is 2x - 5 feet, and the length is 3x + 9 feet. Write a polynomial P(x) that represents the perimeter an      Log On

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Question 118084: pg. 255
92) Perimeter of a rectangle. The width of a rectangle playground is 2x - 5 feet, and the length is 3x + 9 feet. Write a polynomial P(x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet.
answer: P(x)= 10x + 8
P(4)= 48 feet
Answer by ilana(307) About Me  (Show Source):
You can put this solution on YOUR website!
Yep, those answers are correct. The perimeter of a rectangle is twice the length plus twice the width.