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Suppose that w and t vary inversely and that t =1/5 when w = 4. Write a function that models the inverse variation, and find t when w = 9.
Would it be t=1/5w;4/45 or 4/5w;4/45?
 one year ago
 one year ago
Suppose that w and t vary inversely and that t =1/5 when w = 4. Write a function that models the inverse variation, and find t when w = 9. Would it be t=1/5w;4/45 or 4/5w;4/45?
 one year ago
 one year ago

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hartnnBest ResponseYou've already chosen the best response.1
inverse variation > wt = constant let wt=k put w=4, t= 1/5 and find k. ?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
yes, wt = 4* (1/5) = 4/5 = k so your function is wt = 4/5 or t= 4/(5w) now to get t, when w=9, just put w=9 in t=4/(5w)
 one year ago

heathernellyBest ResponseYou've already chosen the best response.0
ooooh, so it would be 4/45?
 one year ago

heathernellyBest ResponseYou've already chosen the best response.0
your awesome! :D thanks again! xx
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
your awesome too ! :D welcome again ^_^
 one year ago
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