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Let r varies inversely as u, and r=8 when u=11. Find r if u=1/4

 

If u=1/4 then r =________

 Mar 10, 2020
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r = k/u       when r = 8    u = 11     find proportionality constant k

 

8 = k/11      k = 88

 

r = 88/u     now what is r if u = 1/4 ?

 

r = 88/(1/4) = 88 * 4 = ......

 Mar 10, 2020
edited by ElectricPavlov  Mar 10, 2020

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