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what would x be if the equation is 3.14(x^2)/180=170

 Oct 21, 2015
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Solve for x:
0.0174444 x^2 = 170

0.0174444 x^2 = (157 x^2)/9000:
(157 x^2)/9000 = 170

Multiply both sides by 9000/157:
x^2 = 1530000/157

Take the square root of both sides:
Answer: | 
| x = 300 sqrt(17/157) or x = -300 sqrt(17/157)

 Oct 21, 2015

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