jacielposada jacielposada

03-09-2018
Mathematics

contestada

S varies directly as p and q. If p = 2 and q = 4 then S = 47.2. Find the constant of proportionality.

Respuesta :

smmwaite smmwaite

03-09-2018

Answer

5.9

Explanation

S varies directly as p and q.

S ∝ pq

S = kpq Where k is the constant of variation

47.2 = k × 2× 4

47.2 = 8k

k = 5.9

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