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Offline Jadyn

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A cookie
« on: June 06, 2008, 03:58:07 pm »
3 ( 5^(2x+1) ) = 18 ( 2^(5x-3) )

Solve for x.
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Offline KingRanter

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« Reply #1 on: June 07, 2008, 07:55:06 am »
Fuck you.
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Offline Ganon5

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A cookie
« Reply #2 on: June 07, 2008, 08:13:12 pm »
Graph both functions on a graphics calculator
Find intersection
x=7.6850011584

Theres no way I'm working that out properly, I've put that logarithm stuff behind me. Thanks for the cookie though
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Offline Transtar

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« Reply #3 on: June 09, 2008, 08:55:40 am »
Ooooo Math

3 ( 5^(2x+1) ) = 18 ( 2^(5x-3) )
Simplify: 3(5*(5^2x))=18((2^5x)/6)
Again: 5=(2^5x)/(5^2x)
e that sucker 5=(e^(2xlog5))/(e^(5xlog2))
Simplify again: 5=e^(2xlog5-5xlog2)
and again:5=e^(x(2log5-5log2))
bye bye e: ln(5) = x(2log5-5log2)
and we get x = ln(5)/(2*log(5)-5*log(2))

simple right?
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Offline MotherAfrica

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« Reply #4 on: June 11, 2008, 06:18:34 am »
You lost me at 3
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I am taking over Planet bob.

... and so far ive gotten banned...


But ill be back with my mass army of ...

Offline Drop Your Pants

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« Reply #5 on: June 11, 2008, 08:19:53 am »
you lost me at "Ooooo Math"
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Offline Jadyn

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« Reply #6 on: June 19, 2008, 03:07:12 pm »
lol I'll need to look at that again Transtar... o.O

Also, I'm going to be away for a month. Hope nothing important happens!
« Last Edit: June 19, 2008, 03:07:24 pm by Jadyn »
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Offline Machiavelli jr

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« Reply #7 on: June 20, 2008, 10:55:30 am »
You lost me at cookie.
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Offline Electric Mango

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« Reply #8 on: June 24, 2008, 09:14:54 pm »
x=your mom  
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Offline Mathlete

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« Reply #9 on: July 04, 2008, 02:48:30 pm »
Despite my name.

No.
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Offline Lanna

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A cookie
« Reply #10 on: July 04, 2008, 10:22:19 pm »
Quote from: Machiavelli jr
You lost me at cookie.
LOL

<3
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Lebanese Proverb: Lower your voice and strengthen your argument.

Offline KingRanter

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« Reply #11 on: July 06, 2008, 10:54:44 pm »
answer = buy a hooker cause otherwise u aint gettin laid


[this post doesnt make any sense. asking for the answer to a really complicated math question doesnt mean you'll never get laid. just so you know.]
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Offline Dark Ninja

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« Reply #12 on: July 18, 2008, 02:40:47 pm »
Quote from: Machiavelli jr
You lost me at cookie.

hahaha

No math in the summer. AAAAAAAAAAAAHHHHHHHH
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