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21 March, 22:32

The length of a rectangle is five inches shorter than triple it's width. Write the perimeter P of the rectangle as a function of the rectangle width

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  1. 21 March, 22:42
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    P = 8w+10

    Step-by-step explanation:

    To find the dimensions, create an equation for its perimeter and solve. Recall, the perimeter formula for a rectangle is P = 2l+2w. The length is 5 inches shorter than triple its width so 3w-5. And the width is w.

    P = 2l+2w

    P = 2 (3w-5) + 2w

    P = 6w-10+2w

    P=8w+10
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