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  LiveWire / Teen Forums / Deep Thoughts & Random Musings / Viewing Topic

maths :(
Replies: 14 — Last Post Nov. 4 11:38am by tock
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( yyyt )


Soothsayer 		Reply

3 x square root of 27 = 3^n

what is n?

Help me :(

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10:59 am on Nov. 4, 2009 | Joined: Dec. 2008 | Days Active: 235
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the raven



Sustainer 		Reply
wish you people would just let go of the s on that word already
11:00 am on Nov. 4, 2009 | Joined: Mar. 2007 | Days Active: 563
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( yyyt )


Soothsayer 		Reply
Quote: from The Raven at 7:00 pm on Nov. 4, 2009
wish you people would just let go of the s on that word already

MathematicS = MathS

Math = Mathematic = complete retardation.

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I give up on trying to use knowledgeable quotes as
signatures, they always turn out tacky...

11:02 am on Nov. 4, 2009 | Joined: Dec. 2008 | Days Active: 235
Join to learn more about yyyt England, United Kingdom | Straight Female | Posts: 9,222 | Points: 13,739
the raven



Sustainer 		Reply
Quote: from yyyt at 2:02 pm on Nov. 4, 2009
Quote: from The Raven at 7:00 pm on Nov. 4, 2009
wish you people would just let go of the s on that word already

MathematicS = MathS

Math = Mathematic = complete retardation.

the s is not an addition to mathematics, it is part of the word. when you shorten a word, you don't keep the last letter. therefore, the s isn't necessary on the shortened word 'math'.

complete retardation indeed.

11:06 am on Nov. 4, 2009 | Joined: Mar. 2007 | Days Active: 563
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( yyyt )


Soothsayer 		Reply
Quote: from The Raven at 7:06 pm on Nov. 4, 2009
Quote: from yyyt at 2:02 pm on Nov. 4, 2009
Quote: from The Raven at 7:00 pm on Nov. 4, 2009
wish you people would just let go of the s on that word already
 

 MathematicS = MathS  

 Math = Mathematic = complete retardation.

the s is not an addition to mathematics, it is part of the word. when you shorten a word, you don't keep the last letter. therefore, the s isn't necessary on the shortened word 'math'.

complete retardation indeed.

I know, i think they're both stupid :/

-------
I give up on trying to use knowledgeable quotes as
signatures, they always turn out tacky...

11:10 am on Nov. 4, 2009 | Joined: Dec. 2008 | Days Active: 235
Join to learn more about yyyt England, United Kingdom | Straight Female | Posts: 9,222 | Points: 13,739
Ciylana


Quality Control Engineer 		Reply
Quote: from The Raven at 7:06 pm on Nov. 4, 2009
Quote: from yyyt at 2:02 pm on Nov. 4, 2009
Quote: from The Raven at 7:00 pm on Nov. 4, 2009
wish you people would just let go of the s on that word already
 

 MathematicS = MathS  

 Math = Mathematic = complete retardation.

the s is not an addition to mathematics, it is part of the word. when you shorten a word, you don't keep the last letter. therefore, the s isn't necessary on the shortened word 'math'.

complete retardation indeed.

Mathmatics is a plural, do you guys in the states only do one sum per lesson?

11:13 am on Nov. 4, 2009 | Joined: Sep. 2009 | Days Active: 33
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the raven



Sustainer 		Reply
Quote: from Ciylana at 2:13 pm on Nov. 4, 2009
Quote: from The Raven at 7:06 pm on Nov. 4, 2009
Quote: from yyyt at 2:02 pm on Nov. 4, 2009
Quote: from The Raven at 7:00 pm on Nov. 4, 2009
wish you people would just let go of the s on that word already

  MathematicS = MathS

  Math = Mathematic = complete retardation.

the s is not an addition to mathematics, it is part of the word. when you shorten a word, you don't keep the last letter. therefore, the s isn't necessary on the shortened word 'math'.  

 complete retardation indeed.

Mathmatics is a plural, do you guys in the states only do one sum per lesson?

http://www.answers.com/topic/mathematics
11:17 am on Nov. 4, 2009 | Joined: Mar. 2007 | Days Active: 563
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Darraaagh

Omnipotent One
Patron 		Reply
NVM

Post edited at 11:20 am on Nov. 4, 2009 by Darraaagh

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tock


Visionary
Sustainer 		Reply
3 x square root of 27 = 3^n

Well...

rt27 = 2t(9*3) = rt9 * rt3 = 3 * rt3 = 3rt3

3*(3rt3) = 9rt3

square root as a power = 0.5

9*(3^0.5)?


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11:26 am on Nov. 4, 2009 | Joined: Oct. 2009 | Days Active: 44
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tock


Visionary
Sustainer 		Reply
Oh wait, 9 = 3^2

3^2*3^0.5

USing the laws of indices,
(a^m)*(a^n)=a^m+n

so, 3^2.5

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11:28 am on Nov. 4, 2009 | Joined: Oct. 2009 | Days Active: 44
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oink


Dairy Product Addict 		Reply
3 x sqrt27 = 3^n

3^1 x sqrt9xsqrt3 = 3^n
3^1 x 3sqrt3 = 3^n
3^1 x 3^2/2(3^1/2) = 3^n
3^2/2 x 3^3/2 = 3^n
3^5/2 = 3^n
5/2=n

makes more sense writing it out that seeing it on computer :G

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tock


Visionary
Sustainer 		Reply
That help?

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11:28 am on Nov. 4, 2009 | Joined: Oct. 2009 | Days Active: 44
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Visionary
Sustainer 		Reply
Quote: from oink at 11:28 am on Nov. 4, 2009
3 x sqrt27 = 3^n

3^1 x sqrt9xsqrt3 = 3^n
3^1 x 3sqrt3 = 3^n
3^1 x 3^2/2(3^1/2) = 3^n
3^2/2 x 3^3/2 = 3^n
3^5/2 = 3^n
5/2=n

makes more sense writing it out that seeing it on computer :G

Is there any way of doing this without knowing the rules of indices? I thought indices was C1 stuff, not GCSE

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Don't bark with cake in your mouth.
11:34 am on Nov. 4, 2009 | Joined: Oct. 2009 | Days Active: 44
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oink


Dairy Product Addict 		Reply
Quote: from tock at 7:34 pm on Nov. 4, 2009
Quote: from oink at 11:28 am on Nov. 4, 2009
3 x sqrt27 = 3^n  

 3^1 x sqrt9xsqrt3 = 3^n  
 3^1 x 3sqrt3 = 3^n  
 3^1 x 3^2/2(3^1/2) = 3^n  
 3^2/2 x 3^3/2 = 3^n  
 3^5/2 = 3^n  
 5/2=n  

 makes more sense writing it out that seeing it on computer :G

Is there any way of doing this without knowing the rules of indices? I thought indices was C1 stuff, not GCSE

not that i can see anyway, and i think there is indices questions in gcse or maybe that was add maths :s

11:36 am on Nov. 4, 2009 | Joined: Oct. 2008 | Days Active: 251
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tock


Visionary
Sustainer 		Reply
Quote: from oink at 11:36 am on Nov. 4, 2009
Quote: from tock at 7:34 pm on Nov. 4, 2009
Quote: from oink at 11:28 am on Nov. 4, 2009
3 x sqrt27 = 3^n

  3^1 x sqrt9xsqrt3 = 3^n
  3^1 x 3sqrt3 = 3^n
  3^1 x 3^2/2(3^1/2) = 3^n
  3^2/2 x 3^3/2 = 3^n
  3^5/2 = 3^n
  5/2=n

  makes more sense writing it out that seeing it on computer :G

Is there any way of doing this without knowing the rules of indices? I thought indices was C1 stuff, not GCSE

not that i can see anyway, and i think there is indices questions in gcse or maybe that was add maths :s

I dunno whether we did additional maths but there weren't any indices questions in ours, but that WAS 2007 (Idk if it's changed since then)

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11:38 am on Nov. 4, 2009 | Joined: Oct. 2009 | Days Active: 44
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