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Artist 52 [7]
3 years ago
7

A quantity, t, varies inversely with a quantity, r. Ift = 6, then r = 5.

Mathematics
1 answer:
dexar [7]3 years ago
3 0

Answer:

Step-by-step explanation:

if t varies inversely proportional as r, then,

t ∞ 1/r

t = k.1/r

t = k/r

substitute t =6 and r = 5 into the equation above

6 = k/5

k = 5 x 6 = 30

the equation that represents this variation is given by,

t =30/r

tr = 30

when r =15,

t = 30/15

t =2

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