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Which equation represents the value of x?

x=√y²+100

x=10−y

x=10+y²

x=√100−y²


 May 21, 2017
 #1
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\(x^2+y^2=10^2 <=> x^2+y^2=100 <=> x^2=100-y^2 <=> x=\sqrt{100-y^2}\)

 

So :\(x=\sqrt{100-y^2}\)

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 May 21, 2017

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