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School Survival Forums / Learning, Youth Rights and School Survival / Homework Help & Answers v / quick maths halp

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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
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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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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!!!!!!!
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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.
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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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