SOLUTION: 1.) e^x=148.413 2.) 25=e^3x 3.) 9e^5x=5 4.) 1/4e^x=30

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: 1.) e^x=148.413 2.) 25=e^3x 3.) 9e^5x=5 4.) 1/4e^x=30       Log On


   

Question 614264: 1.) e^x=148.413
2.) 25=e^3x
3.) 9e^5x=5
4.) 1/4e^x=30

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
lne=1
1.) e^x=148.413
xlne=ln(148.413
x=ln(148.413)≈4.999...≈5
..
2.) 25=e^3x
3xlne=ln25
3x=ln25
x=ln25/3≈1.073
3.) 9e^5x=5
e^5x=5/9
5xlne=ln(5/9)
x=ln(5/9)/5≈-0.117
..
4.) 1/4e^x=30
e^x=120
xlne=ln120
x=ln120≈4.787