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Hi. Whats is d equal to in 2.4=2(d)^-2

Guest Apr 27, 2017
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Hi. Whats is d equal to in 2.4=2(d)^-2

 

2.4 = 2/d^2 multiply both sides by 10

24 = 20/d^2

d^2 =20/24 =5/6  take the square root of both sides

d =+or- sqrt(5/6)

Guest Apr 27, 2017

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