SOLUTION: If x^12=5000 and (x^11)/y=10, what is the value of xy?

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Question 1043294: If x^12=5000 and (x^11)/y=10, what is the value of xy?
Found 2 solutions by stanbon, MathTherapy:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
If x^12=5000 and (x^11)/y=10, what is the value of xy?
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x = 5000^(1/12) = 2.0335
y = x^11/10 = 2.0335^11/10 = 245.88
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Ans: xy = 2.0335*245.88 = 500
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Cheers,
Stan H.
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Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

If x^12=5000 and (x^11)/y=10, what is the value of xy?
It would've been nice if it were stated that this should be done WITHOUT a calculator



 ------- Cross-multiplying

 

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