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11 votes
11 votes
Suppose r varies directly as the square of​ m, and inversely as s. If r equals 16when m equals 9 and s equals 9​, find r when m equals 27 and s equals 9.

User Ssmithstone
by
2.7k points

1 Answer

20 votes
20 votes

Answer:

144

Explanation:

r = k m^2 / s <====given ( k is proportionality constant)

16 = k ( 9^2) / 9 shows k = 1 7/9

then:

r = 1 7/9 * 27^2 / 9 = 144

User Marco Salerno
by
2.9k points
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