Friday
April 25, 2014

Homework Help: Algebra II

Posted by Lucy on Saturday, March 29, 2008 at 6:41pm.

Solve, round to 4 decimal places if necessary:

3.9^m-4=10.21

Answer:
(m-4)In(3.9)=In(10.21)
m(In3.9)-4(In3.9)=In(10.21)
m=(In10.21)+4(In3.9)/In3.9
m=7.7672/1.3609
m=5.7074


e^3x>=21

Answer:
Ine^3x>=21
3x=In21
x=In21/3
x=1.0148

Thanks

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