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3 years ago

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David designs floor tiles. His latest design is shaped as a regular pentagon. Write a formula for the perimeter of the tile in t

erms of the length of a side. Evaluate the formula for the side length of 3 inches.

1 answer:

alexira [117]3 years ago

3 0

If one side is 3 inches, the perimeter would be 5x3 which is 15. In terms of algebra, if one side is y, then the perimeter is 5y.

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aleksley [76]

Adding the two equations
3x + 6y + 3x - 6y = 36+0
6x = 36
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subtracting second equation from first
(3x + 6y ) - (3x-6y) =36 -0
12y = 36
y = 3
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therefore
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