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Answered

if a varies directly as b, and a=9 when b=6 find a when b=15

Sagot :

Ricardogonzalesmathgo

Answer:

a=45/2

Step-by-step explanation:

First we do is find the constant k

a=kb

9=k6

k=3/2

so the value of the constant k is equal to 3/2

Now, lets find the unknown if the value of b=15

a=kb

a=3/2(15)

a=45/2

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