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/sci/ - Science & Math

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1445744

Anonymous Tue Jul 20 10:09:48 2010 No.1445744 [Reply] [Original]

2150*0.9^x=500

>>	Anonymous Tue Jul 20 10:09:48 2010 No.1445746 solve please

>>	Anonymous Tue Jul 20 10:11:48 2010 No.1445751 divide by x

>>	Anonymous Tue Jul 20 10:12:48 2010 No.1445756 can I really divide 9^X by X?

>>	Anonymous Tue Jul 20 10:14:48 2010 No.1445772 fucking logarithms, how do THEY work?

>>	Anonymous Tue Jul 20 10:15:48 2010 No.1445778 Can you just tell me the answer?

>>	Anonymous Tue Jul 20 10:16:48 2010 No.1445781 >>1445756 Obviously.

>>	Anonymous Tue Jul 20 10:16:48 2010 No.1445782 2150*0.9^x=500 0.9^x=0.23 0.9log(0.23)=x

>>	OC guy Tue Jul 20 10:16:48 2010 No.1445783 >>1445778 13.84

>>	Anonymous Tue Jul 20 10:16:48 2010 No.1445786 >>1445778 no logarithms WHO DO they help

>>	Anonymous Tue Jul 20 10:17:48 2010 No.1445787 >>1445786 me

>>	Anonymous Tue Jul 20 10:17:48 2010 No.1445788 2150*0.9^x=500 .9^x= 500/2150 Log (.9) (500/2150) = X

>>	Anonymous Tue Jul 20 10:19:48 2010 No.1445800 ( log(500)-log(2150) ) / log(0.9)