SOLUTION: y is directly proportional to the square of x and inversely proportional to the cube of w, y=18 when x=9 and w=3. Find y when x=3 and w=5

Algebra ->  Rational-functions -> SOLUTION: y is directly proportional to the square of x and inversely proportional to the cube of w, y=18 when x=9 and w=3. Find y when x=3 and w=5      Log On


   



Question 286441: y is directly proportional to the square of x and inversely proportional to the cube of w, y=18 when x=9 and w=3. Find y when x=3 and w=5
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: "y is directly proportional to the square of x and inversely proportional to the cube of w" means that y=%28kx%5E2%29%2F%28w%5E3%29 for some fixed value of 'k' (which you find when you plug in the given 'x', 'y' and 'w' values).