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Algebra 8 Online
OpenStudy (anonymous):

i nees help with logarthms asap please

OpenStudy (anonymous):

\[2(5^x)=15\]

OpenStudy (anonymous):

|dw:1396197593961:dw|

OpenStudy (anonymous):

what to do next?

OpenStudy (anonymous):

@AravindG

OpenStudy (whpalmer4):

\[2*5^x = 15\]\[5^x = \frac{15}2\] Why don't you take the log of both sides now?

OpenStudy (whpalmer4):

remember that \[\log x^a = a \log x\]

OpenStudy (anonymous):

5^x=15/2? xlog7.5 x=log7.5/log5 =1.2519

OpenStudy (anonymous):

thanks

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