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Answered

12. Find the equation of variation where a varies jointly as b and c, and a = 36 when b = 3 and c=4.
A. a = a b c
B. a = 3bc
C. a = 3b/c D. a=3 / bc
13. Find the equation of variation if y varies inversely as x and y= 6 when x= 18.
A. y = 108x
B. y = 108/ x
C. y = x/108 D. y = klx​

Sagot :

APRILJANEESPANOLA83QIN

12.

B. a = 3bc

13.

A. y = 108 x

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