Monday

April 21, 2014

April 21, 2014

Posted by **Holly** on Tuesday, May 21, 2013 at 4:18pm.

a. 7

b. 14

c. 15

d. 9

- Please help, have a couple left! -
**Steve**, Tuesday, May 21, 2013 at 4:21pmsince 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**, Tuesday, May 21, 2013 at 4:28pmthankyou, thanks for showing work too. it helps me a lot too understand it.

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