SOLUTION: Solve for the variable in the equations below. Round your answers to the nearest hundredth. Do not round any intermediate computations. e^v=4 12^-2x=15

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Question 1144540: Solve for the variable in the equations below. Round your answers to the nearest hundredth. Do not round any intermediate computations.
e^v=4
12^-2x=15

Found 2 solutions by Alan3354, ankor@dixie-net.com:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
e^v=4
v = ln(4)
------------------
12^-2x=15
Is it 12^(-2)x ?
Or 12^(-2x) ?

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!

using nat logs

the log equiv of exponent, the ln of e is 1, therefore:
v = 1.38629
v ~ 1.39
:


-2x =
-2x = 1.089799571
x =
x = -.5448997855 ~ -.54

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