SOLUTION: Let y vary jointly as x and the cube of z and inversely as the square of w. What is the affect on y if x increases by 20%, z is doubled and x is halved

Algebra ->  Proportions -> SOLUTION: Let y vary jointly as x and the cube of z and inversely as the square of w. What is the affect on y if x increases by 20%, z is doubled and x is halved      Log On


   



Question 1033942: Let y vary jointly as x and the cube of z and inversely as the square of w. What is the affect on y if x increases by 20%, z is doubled and x is halved
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
We would write that relationship as
y+=+kxz%5E3%2Fsqrt%28w%29
Now if we apply the changes shown we get...
Wait, there's a mistake in your problem...how can x be halved and increased by 20%? Repost the corrected one..