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quick maths halp
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Elfy Offline
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Post: #1
quick maths halp

So, question is: Multiply out and simplify

(3+root2)(3-2root2)

There would be a - and a + 3root2 so they would cancel out.

So I'm left with 9 - 9root2 (I think, 3 x -2root2 is -9root2 right?)

Also

value of 8^-2/3 (two thirds)

(1/8)^2/3

((1/8)^1/3)^2 = (1/2)^2

= 1/4 amirite?

edit: hello i use paint easier to see

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09-19-2011 05:08 AM
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aaaaaaasd Offline
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Post: #2
Re: quick maths halp

I looked at that image for a good 5 seconds and my mind immediately turned into cheese, thanks elfy

now how will i operate with a lactose brain
09-19-2011 05:51 AM
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Faby Offline
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Post: #3
Re: quick maths halp

Jesus Christ, get that shit away from me.

That's EXACTLY why I went to a philology section in high school.

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09-19-2011 05:53 AM
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HeartofShadows Offline
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Post: #4
Re: quick maths halp

http://www.webmath.com/

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09-19-2011 06:24 AM
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Elfy Offline
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Post: #5
Re: quick maths halp

Actually, think the first would be:

5-3*root2

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09-19-2011 06:50 AM
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LOON_ATTIC Offline
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Post: #6
Re: quick maths halp

I could get the first one but the second one jesus I forgot the stupid fraction exponents
I think the first one is 13-3*sqrt(2) because sqrt(2)*sqrt(2)=2*2=4 huurrrr

OH WAIT A SECOND I do think the second one = 1/4

but the third one du fock did you do I got 3/8 1/8+1/4 = 1/8 + 2/8 = 3/8

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09-19-2011 07:02 AM
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Elfy Offline
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Post: #7
Re: quick maths halp

Lunatic Wrote:I got 3/8

As did I.

Lunatic Wrote:I think the first one is 13-3*sqrt(2) because sqrt(2)*sqrt(2)=2*2=4 huurrrr

but the 2sqrt2 is negative so wouldn't it equal -4 making it 5-3*sqrt2?

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09-19-2011 07:09 AM
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Blobthe15 Offline
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Post: #8
Re: quick maths halp

jesus fucking christ what

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09-19-2011 07:14 AM
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LOON_ATTIC Offline
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Post: #9
Re: quick maths halp

Elfy Wrote:but the 2sqrt2 is negative so wouldn't it equal -4 making it 5-3*sqrt2?
Shit yeah you're right what the fuck am I doing

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09-19-2011 07:15 AM
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.Manicrose. Offline
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Post: #10
Re: quick maths halp

I just fell off my chair. I find this thread fucking hilarious. Doesn't help that every time someone writes "13-3*sqrt(2)" or something I think for a second that it actually says "13-3*SQUIRT(2)" teehee hee HEE

This thread brings light into my life. Biggrin yes i am a little drunk right now in case you were wondering

Go to work. Send your kids to school. Follow fashion. Act normal. Walk on the pavement. Watch TV. Save for your old age. Obey the law. Repeat after me: "I am free."

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09-19-2011 09:28 AM
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The Desert Fox Offline
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Post: #11
Re: quick maths halp

Faby Wrote:Jesus Christ, get that shit away from me.
This.
Blobthe15 Wrote:jesus fucking christ what
And this.

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09-19-2011 12:18 PM
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LOON_ATTIC Offline
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Post: #12
Re: quick maths halp

if you don't learn this y'all kids will be flippin' burgers at mcdonalds

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09-19-2011 12:50 PM
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SoulRiser Offline
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Post: #13
Re: quick maths halp

KILL IT WITH FIRE!!!


SKWERT!!!


Yeah, sorry, I am of no help. If the solution to that equation was actually for some good purpose, or useful in any way, I might look into it... but it isn't... so fuck it. Laugh

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09-19-2011 07:20 PM
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aaaaaaasd Offline
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Post: #14
Re: quick maths halp

Why must maths be more useful than english damnit [Image: emot-argh.gif]
09-20-2011 12:34 AM
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UnschoolShqiponjë Offline
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Post: #15
Re: quick maths halp

Faby Wrote:Jesus Christ, get that shit away from me.

That's EXACTLY why I went to a philology section in high school.

Fucking shit I remember that shit. My sentiments are in line with Faby's. I was forced to do that nonsense complete bullshit crap once.... aaaahhhhhhhhhhhhh.... IT BURNS MY EYES!!!!!!!

Live until you die
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09-20-2011 02:14 AM
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Elfy Offline
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Post: #16
Re: quick maths halp

Compared to today's lesson and test this was piss easy.

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09-20-2011 02:31 AM
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LOON_ATTIC Offline
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Post: #17
Re: quick maths halp

wow really

I just got like 60 gayass problems for precalculus
gaahhhh
Also still I think I sort of prefer it to writing stupid pointless essays I don't care about and such.

fuck the world :((((((((999999999999999999999999999

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09-20-2011 09:08 AM
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Phrozen_Soul Offline
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Post: #18
Re: quick maths halp

I'm taking pre-calc in 1 or 2 years. I think.

"Ask them no more questions, never hear them lying"

People say the problem with me is I have psychotic tendencies and care not about other human beings I don't like and or know. So?
09-22-2011 09:01 AM
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Alucard483 Offline
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Post: #19
Re: quick maths halp

moved

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09-23-2011 12:13 AM
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