SOLUTION: Use mental math to solve each equation.
please help with these.. i have a really hard time understandin them.. your help will help me a bunch;] thanks
2^x=1/8
10^6x=1
Algebra.Com
Question 187473: Use mental math to solve each equation.
please help with these.. i have a really hard time understandin them.. your help will help me a bunch;] thanks
2^x=1/8
10^6x=1
log4^2=x ( i got 1.204, but im not sure about it)
solve 5^2x=125
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Use mental math to solve each equation.
please help with these.. i have a really hard time understandin them.. your help will help me a bunch;] thanks
2^x=1/8
x = -3
----------
10^6x=1
x = 0
-------------
log4^2=x ( i got 1.204, but im not sure about it)
That's from a calculator, which is not mental math.
I suspect it should be
Log of 2, base 4
x = 1/2
---------------
solve 5^2x=125
x = 1.5
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