SOLUTION: Use logarithms to solve the equation
9(1.09^2x+1)=15
the 2x+1 is in expotential form.......
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Question 947205: Use logarithms to solve the equation
9(1.09^2x+1)=15
the 2x+1 is in expotential form.......
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
approximately,
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Use logarithms to solve the equation
9(1.09^2x+1)=15
the 2x+1 is in expotential form
If you mean it's an exponent:
================
9(1.09^2x+1)=15
1.09^(2x+1)= 5/3
(2x+1)*log(1.09) = log(5/3)
2x+1 = log(5/3)/log(1.09)
x = (-1 + log(5/3)/log(1.09))/2
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