Homework Help: math

Posted by Anonymous on Sunday, October 5, 2008 at 5:12pm.

logarithms

solve for x

5^(x-1) = 9

math - bobpursley, Sunday, October 5, 2008 at 5:16pm
take the log base 5 of each side

x-1=log5 9=log10 9 /( log10 5)

http://www.sosmath.com/algebra/logs/log4/log43/log43.html
- math - Anonymous, Sunday, October 5, 2008 at 5:25pm
  ?
  
  can i do
  x-1= log9/log6
  x=(log9/log5) + 1 ?

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