Homework Help: College Algebra

Posted by meme on Wednesday, March 21, 2012 at 9:50am.

if y vaires directly as x^2 and y=20 when x=4, find y when x=7?

College Algebra - drwls, Wednesday, March 21, 2012 at 10:33am
(7/4)^2*20 = 61.25

Related Questions

college algebra - if y vaires directly as x^2 and y=20 when x=4, find y when x=7...
college Algebra - If y varies directly as x^2 and y=20 when x=4, find y when x=7...
College Algebra - y varies directly as the third power x and inversely as Z. If ...
college algebra - Solve each variation problem. n varies directly as q, and n= ...
algebra 2 - y varies directly with x. When y = 20, x = 50. Find x when y = 36.
algebra - y varies directly with x. When y = 20, x = 50. Find x when y = 36.
algebra 2 - the varible X and Y vary directly. write and equation that relates x...
Math - DIRECT VARIATION 1. a is directly proportional to b.If a=15,then b=9 2. m...
Algebra - Find the variation constant and an equation of variation where y ...
math - x varies directly with y and z x=1200,when y=20 and z=30. Find x when y=...

For Further Reading

First Name:
School Subject:
Answer: