Algebra : Simplification

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Word Problem

The level (Loudness) of sound is measured in decibals which is related to the intensity if sound (I) which is measured in watts per cm^2. One can convert from one measure to the other using the following formula d=10 log (I/10^-16) Due to the installation of accoustical tiles in an auditorium, the noise level was reduced from ...continues

Word Problem

Find the half-life of a radioavtive material if, after one year 99.5713%of the amount remains, also write the formula for finding the amount of this material after (t) years, and how much will remain in 500 years?

log

logx-log2=5

log problem

lnx+ln(x+2)=ln3

log problem

ln (under radical)=1 (x+2)

log problem

5^x-8+23

log problem

10^x=200

log problem

3e^-2x=14

log problem

3^2x-1=5x