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Does .9999...=1?
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27 / M / Philippines
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Posted 12/19/07
maybe
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28 / M / on the computer...
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Posted 12/19/07
Math says NO.
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M / [???????????????]
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Posted 12/19/07
Oh god... this math stuff hurts my head.
Posted 12/19/07
You morons who say no are of course morons. I will prove it.

Let's say .9 repeating is x and I'll will write as just .99R

Start:
.99R = x
9.99R = 10x
9.99R - .99R = 10x - x
9 = 9x
1 = x
x = .99R

THEREFORE, .99R is equal to 1!!!
Posted 12/19/07

skygod333 wrote:

You morons who say no are of course morons. I will prove it.

Let's say .9 repeating is x and I'll will write as just .99R

Start:
.99R = x
9.99R = 10x
9.99R - .99R = 10x - x
9 = 9x
1 = x
x = .99R

THEREFORE, .99R is equal to 1!!!



In retrospect, I should of put something like this in my OP... might of stopped some of the people who just said no without even really understanding the question...
Posted 12/19/07

Shichifukujin wrote:


skygod333 wrote:

You morons who say no are of course morons. I will prove it.

Let's say .9 repeating is x and I'll will write as just .99R

Start:
.99R = x
9.99R = 10x
9.99R - .99R = 10x - x
9 = 9x
1 = x
x = .99R

THEREFORE, .99R is equal to 1!!!



In retrospect, I should of put something like this in my OP... might of stopped some of the people who just said no without even really understanding the question...


See? I win.
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22 / F / Bubble Teashop ;o
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Posted 12/19/07
.9999... makes the numbers endless;
it's near 1 but it wont ever be 1
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22 / F / Bubble Teashop ;o
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Posted 12/19/07
.9999... makes the numbers endless;
it's near 1 but it wont ever be 1
Posted 12/19/07

enyceaznjo wrote:

.9999... makes the numbers endless;
it's near 1 but it wont ever be 1


Did you even read my post with the mathematical proof? Anyway, I tried on another repeating number and it only works for this. So don't attempt to argue this could work for any repeating thing.
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22 / M / Massachusetts
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Posted 12/19/07
YES IT DOES!!! if you got .9999 as tax totals, then you would round it to $1.00, so OOOOOO you people who think its not
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22 / F / Bubble Teashop ;o
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Posted 12/19/07

skygod333 wrote:


enyceaznjo wrote:

.9999... makes the numbers endless;
it's near 1 but it wont ever be 1


Did you even read my post with the mathematical proof? Anyway, I tried on another repeating number and it only works for this. So don't attempt to argue this could work for any repeating thing.


sorry my brain isn't as developed?
congrats; you know math.
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22 / F / Neverland
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Posted 12/19/07
Wow the math is convincing.
I mean the algerbra and calculus and stuff..
but I can't agree that .9999......infinite 9s equals 1.

Edit.
This is the best thread ever by the way.
I'm still not that convinced that .99999..infinite 9s=1.
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25 / F / Your Backyard
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Posted 12/19/07
If you use sig figs, yes..it's equal to one but otherwise no...
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23 / M
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Posted 12/19/07
dunno
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28 / M
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Posted 12/19/07
don;t know hhhhhhhhhhhhhhhhaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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