If y varies directly as x and inversely as the square of z and y=6 when x=64 and z =8, how do you find y when x = 21 and z=2?
If y varies directly as x and inversely as the square of z and y=6 when x=64 and z =8, how do you find y when x = 21 and z=2?
If y varies directly as x and inversely as the square of z and y=6 when x=64 and z =8, how do you find y when x = 21 and z=2?
1 Answer
May 29, 2018
Explanation:
For y to vary directly with x and inversely with the square of z, we can write
We are told that
Therefore
When
Incidentally your question is similar to https://socratic.org/questions/y-varies-directly-as-x-and-inversely-as-the-square-of-z-y-12-when-x-64-and-z-4-h