nmulder
28.04.2021 •
Mathematics
A system of equations is show . 4x+2y=10. 2x-2y=8. What is the value of x in the solution to the system
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Ответ:
Let x = the length.
The perimeter (see the figure below) is
2x + 2(72) = 2x + 144
Because the perimeter is 410 feet, therefore
2x + 144 = 410
2x = 410 - 144 = 266
x = 266/2 = 133
The area is
72x = 72*133 = 9576 ft²
9576 ft²