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Annetta_Martin
 2 years ago
y varies inversely as x. When y = 5, x = 12. Determine y when x = 15.
Annetta_Martin
 2 years ago
y varies inversely as x. When y = 5, x = 12. Determine y when x = 15.

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marsss
 2 years ago
Best ResponseYou've already chosen the best response.15*12=y*15 so y=4 you're right :)

thomaster
 2 years ago
Best ResponseYou've already chosen the best response.0i think 12/5 = 2.4 so thats the factor 5 * 2.4 = 12 ? * 2.4 = 15 (15*5)/12 = 6.25 or \[6\frac{ 1 }{ 4 }\]

surjithayer
 2 years ago
Best ResponseYou've already chosen the best response.0given y=k/x,where k is a constant when x=12 ,y=5 5=k/12, or k=60 y=60/x when x=15,y=60/15=4
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