SOLUTION: x varies jointly with "b" and the square of "c". If x = 270 when b = 6 and c = 3, find x when b = 10 and c = 4.

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Question 1096161: x varies jointly with "b" and the square of "c". If x = 270 when b = 6 and c = 3, find x when b = 10 and c = 4.
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
x varies jointly with "b" and the square of "c".

If x = 270 when b = 6 and c = 3,
find k
270 = 54k
k = 270/54
k = 5
therefore the equation is

find x when b = 10 and c = 4.
x = 5*10*4^2
x = 800

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