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Masteriza [31]
3 years ago
9

The perimeter of a stop sign has a perimeter of 16x2 - 80x. What is the length of one side?

Mathematics
1 answer:
uranmaximum [27]3 years ago
7 0
Since a stop sign is an octagon it has eight sides.  So the perimeter will be:

p=8x,  p=perimeter and x=side length.  We are told that the perimeter is equal to:

16x^2-80x so we can say:

16x^2-80x=8x subtract 8x from both sides

16x^2-88x=0  factor out 8x

8x(2x-11), since we know x>0

x=11/2

x=5.5 units
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