Please help, have a couple left!
posted by
Holly
.
solve 125=(x^3)/ 1/3 ^3
a. 7
b. 14
c. 15
d. 9

Please help, have a couple left! 
Steve
since 125 = 5^3,
1/3^3 = 3^3
5^3 = x^3/(3^3)
5^3 = (x/3)^3
now take cube roots:
5 = x/3
x = 15

Please help, have a couple left! 
Holly
thankyou, thanks for showing work too. it helps me a lot too understand it.