M varies directly as the square of x. If m = 200 when x = 20, find m when x is 32?
1 Answer
The answer is
Explanation:
#=> M/x^2 = k#
where
#k=200/20^2 = 1/2#
Now,
#x=32#
so
#M = 1/2 xx 32^2 = 512#
The answer is
#=> M/x^2 = k#
where
#k=200/20^2 = 1/2#
Now,
#x=32#
so
#M = 1/2 xx 32^2 = 512#