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12-04-2020
Mathematics

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The perimeter of a square is represented by the expression 32x - 12.8. Write three equivalent expressions for the perimeter.

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12-04-2020

Formula version 1: 2*width + w*length = 2x + 2(x+6)

Formula version 2: 2*( width + length) = 2 [ x + (x+6) ]

"Brute force" perimeter / add up all the sides : X + X + (x+6) + (x+6)

The perimeter is 4x + 12 = 4(x+3)

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