Nicolesia46viz
Answered

if a varies jointly as b and c and a =13 when b=39 and c=3 ​

Sagot :

OnekPHviz

Answer:

K =1/9

Step-by-step explanation:

A= kbc

Then,

13= k(39)(3)

So,

K= 1/9 ( proportionality constant)

Equation is

A= BC/9

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