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  • 28-08-2018
  • Mathematics
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The área of a rectangle with width 6 is 48 what is its length

Respuesta :

girllover1641
girllover1641 girllover1641
  • 28-08-2018

Let x = length and y = width

Then, 2x+2y = 28 and xy = 48

Since 2x+2y = 28, y = 14 - x

So, x(14 - x) = 48

x2 - 14x + 48 = 0

(x-8)(x-6) = 0

x = 8 or x = 6

The rectangle is 8 ft by 6 ft. ...... I hope

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