SOLUTION: if xy = 10, what is the value of 2(x/y)(y)(y) (show work)

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: if xy = 10, what is the value of 2(x/y)(y)(y) (show work)      Log On


   

Question 945213: if xy = 10, what is the value of 2(x/y)(y)(y)
(show work)
Found 2 solutions by Fombitz, josgarithmetic:
Answer by Fombitz(32388) About Me  (Show Source):
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Rule about fractions, commutative property of multiplication, and a substitution.

2x%281%2Fy%29yy

2xyy%281%2Fy%29

2xy%28cross%28y%281%2Fy%29%29%29