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August 2, 2015

Homework Help: math (Reiny)

Posted by peter on Thursday, December 19, 2013 at 12:39pm.

If # (a,b,c,d)means you raise b,c and d to the power of a and then take the sum of the resulting values, and # (2,3,4,d)=89,then d=?

2^a + 3^a + 4^a = 89
1^a + 1^a + 1^a = 89
3^a = 89
a = 86

an I do it right

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