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SVETLANKA909090 [29]
3 years ago
14

A rectangle has a width represented by x and length represented by 4x. it the area of the rectangle is 80, find the value of x

Mathematics
1 answer:
Brut [27]3 years ago
3 0
Area = length * width = 4x * x = 4x^2.

4x^2 = 80
x^2 = 80/4 = 20

x = sqrt 20

Answer is 4.47 to nearest hundredth.
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