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belka [17]
3 years ago
11

AAAH HELP! Assume that r varies directly as p. What is the constant of proportionality if r = 3 when p = 15. k = 1\5 k = 5 k = 3

k = 45
Mathematics
1 answer:
Alexus [3.1K]3 years ago
8 0

Answer:

k = \frac{1}{5}

Step-by-step explanation:

Given that r varies directly as p then the equation relating them is

r = kp ← k is the constant of variation

To find k use the condition r = 3 when p = 15, then

3 = 15k ( divide both sides by 15 )

\frac{3}{15} = k , that is

k = \frac{1}{5}

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