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Mathematics 7 Online
OpenStudy (anonymous):

7.7^(4x + 3) = 10.2

OpenStudy (anonymous):

i love your log questions

OpenStudy (anonymous):

lol y?

OpenStudy (anonymous):

helps me revise for my exam lol

OpenStudy (ash2326):

@hi nyan We have \[\huge 7.7^{(4x+3)}=10.2\] Apply log to both sides what do you get ?

OpenStudy (anonymous):

cool so we re helping eachother

OpenStudy (ash2326):

I'll give you a hint \[\large \log a^x=x\log a\]

OpenStudy (anonymous):

4x+3=log10.2/log7.7

OpenStudy (anonymous):

get 3 to the other side... :P

OpenStudy (anonymous):

^after you perform the exponent rule

OpenStudy (anonymous):

-0.065

OpenStudy (anonymous):

?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

do it again

OpenStudy (anonymous):

-0.465 sorry dyslexia

OpenStudy (anonymous):

\[\LARGE \frac{\log(a)}{\log(b)}=\log_b(a)\]

OpenStudy (anonymous):

yes that's right nyan

OpenStudy (anonymous):

lol dyslexia XD

OpenStudy (anonymous):

dyslexiz for the win!

OpenStudy (anonymous):

one medal for you nyan :D

OpenStudy (anonymous):

yay

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