Monday, June 17, 2013

If y varies inversely with the square root of x, and y = 4 when x =9, what is the constant variation?

%0D%0Ay=k%2Fsqrt%28x%29%0D%0A 

%0D%0A4=k%2Fsqrt%289%29%0D%0A 

%0D%0A4=k%2F3%0D%0A 

k=12 



:)
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