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Offlinepurified
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Registered: 07/02/09
Posts: 201
Last seen: 7 years, 6 months
.99999 repeating doesn't equal 1
    #11277255 - 10/19/09 03:05 PM (8 years, 6 days ago)

go.


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OfflineSolemente
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Registered: 04/24/09
Posts: 4,337
Loc: Flag
Last seen: 4 months, 7 days
Re: .99999 repeating doesn't equal 1 [Re: purified]
    #11277263 - 10/19/09 03:05 PM (8 years, 6 days ago)

:facepalm:


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Offline13.step
cynical bastard
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Registered: 08/30/09
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Re: .99999 repeating doesn't equal 1 [Re: purified]
    #11277265 - 10/19/09 03:06 PM (8 years, 6 days ago)

Why would it?


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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,017
Re: .99999 repeating doesn't equal 1 [Re: 13.step]
    #11277268 - 10/19/09 03:06 PM (8 years, 6 days ago)

Quote:

13.step said:
Why would it?




Because its defined that way.


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OfflineDeltron3030
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Registered: 07/18/09
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Re: .99999 repeating doesn't equal 1 [Re: DieCommie]
    #11277273 - 10/19/09 03:07 PM (8 years, 6 days ago)

:tard:


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OfflineCosmicFool
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Registered: 05/14/06
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Re: .99999 repeating doesn't equal 1 [Re: Solemente]
    #11277279 - 10/19/09 03:07 PM (8 years, 6 days ago)

3/9 = .33333...
6/9 = .66666...
9/9 = 1?


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OfflineTri High
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Registered: 05/02/08
Posts: 11,769
Loc: Monaghan, Ireland
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Re: .99999 repeating doesn't equal 1 [Re: Deltron3030]
    #11277300 - 10/19/09 03:10 PM (8 years, 6 days ago)

It does too.

For all intensive purposes.

.999999999999 = 1

say you were doing something with chemistry.  Then you can be as precise as your instruments will allow.

But .999999999999999999999999999999 = 1

It's all about the context of where it's applied.

To statistics:  = 1
to chemistry/physical sciences =.999999999 = 1
                              =.99 = 1
                              =.9 = .9


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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,017
Re: .99999 repeating doesn't equal 1 [Re: Tri High]
    #11277311 - 10/19/09 03:11 PM (8 years, 6 days ago)

It has nothing to do with precision of measurements in science.  It has to do with definitions/axioms and theorems in mathematics.


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Invisiblestereolab
Wizard
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Registered: 06/08/09
Posts: 941
Loc: NY
Re: .99999 repeating doesn't equal 1 [Re: DieCommie]
    #11277324 - 10/19/09 03:13 PM (8 years, 6 days ago)

0.999... = x
9.999... = 10x
9.999... - 0.999... = 10x - 1x
9 = 9x
1 = x

thus

0.999... = 1


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Edited by stereolab (10/19/09 03:15 PM)


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OfflineSolemente
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Registered: 04/24/09
Posts: 4,337
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Last seen: 4 months, 7 days
Re: .99999 repeating doesn't equal 1 [Re: Tri High]
    #11277331 - 10/19/09 03:14 PM (8 years, 6 days ago)

Quote:

Tri High said:
It does too.

For all intensive purposes.

.999999999999 = 1

say you were doing something with chemistry.  Then you can be as precise as your instruments will allow.

But .999999999999999999999999999999 = 1

It's all about the context of where it's applied.

To statistics:  = 1
to chemistry/physical sciences =.999999999 = 1
                              =.99 = 1
                              =.9 = .9



No, 1 is 1. .999999999999999999999 is .99999999999999999999999


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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,017
Re: .99999 repeating doesn't equal 1 [Re: stereolab]
    #11277341 - 10/19/09 03:15 PM (8 years, 6 days ago)

/end thread.

:lockdance:


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OfflineKing Koopa
Mr. Hit Dat Hoe
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Registered: 06/03/08
Posts: 8,045
Loc: Houston
Last seen: 7 years, 1 month
Re: .99999 repeating doesn't equal 1 [Re: DieCommie]
    #11277365 - 10/19/09 03:19 PM (8 years, 6 days ago)

its flawed. you guys are just working out equations of equations that arent exactly equations. kind of like sex


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Offline13.step
cynical bastard
Male

Registered: 08/30/09
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Re: .99999 repeating doesn't equal 1 [Re: stereolab]
    #11277389 - 10/19/09 03:23 PM (8 years, 6 days ago)

Dude,just today i had to solve a problem that involved series of 9 after a comma and they sure as hell weren't the same,it just so happens that it was chemistry related.

Now we're talking about 0.(9) for example then i dunno,maybe there is some axiom somewhere that states it's the same as 1 but i still view it as a distinct mathematical entity.


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Offlinebatheinthefountain
ॐ ॐ ॐ
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Registered: 08/29/09
Posts: 1,273
Loc: Germany
Last seen: 3 years, 2 months
Re: .99999 repeating doesn't equal 1 [Re: CosmicFool]
    #11277509 - 10/19/09 03:41 PM (8 years, 6 days ago)

Quote:

CosmicFool said:
3/9 = .33333...
6/9 = .66666...
9/9 = 1?




lmao :laugh:


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OfflineHaRo On KoRn
inmortal
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Registered: 08/19/09
Posts: 1,270
Loc: West Coast
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Re: .99999 repeating doesn't equal 1 [Re: batheinthefountain]
    #11277583 - 10/19/09 03:53 PM (8 years, 6 days ago)

i wouldn't say
.9=1
thats like saying
90=100
i wouldn't say
.99=1
thats like saying
99=100

but after maybe
.9999999999999=1
i will go for it
99.99999999999=100

be aware that

99x2=198
99x456=45144
100x456=45600
.99x.99=.9801
.99x100=99
1x100=100
.99+1=1.99
1+1=2


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OfflineDragonChaser
Ice in Her Ass and Pussy
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Registered: 04/27/06
Posts: 7,211
Last seen: 29 days, 21 hours
Re: .99999 repeating doesn't equal 1 [Re: HaRo On KoRn]
    #11277639 - 10/19/09 04:03 PM (8 years, 6 days ago)

Alright guys, .99 repeating DOES equal 1.

If it doesn't, then find a number between .99 repeating and 1.

You can't do it.  Therefore, .99 repeating DOES equal 1.

If X doesn't equal Y, then there is a real number Z such that X+Z=Y.
X=.99 repeating
Y=1
You can't solve for Z.  Z doesn't exist.  The DIFFERENCE between .99 repeating and 1 DOES NOT EXIST.

When two numbers aren't equal, there are an infinite number of real numbers between them.  But you can't even find a single number between .99 repeating and 1.


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Invisiblekoraks
Registered: 06/02/03
Posts: 25,322
Re: .99999 repeating doesn't equal 1 [Re: DragonChaser]
    #11277675 - 10/19/09 04:10 PM (8 years, 6 days ago)

Quote:

DragonChaser said:
The DIFFERENCE between .99 repeating and 1 DOES NOT EXIST.




I disagree; think of a limit. A function may have a valid value for x=0.99 recurring, but not for x=1. Hence, they are not the same.


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Invisibleblewmeanie
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Registered: 10/01/06
Posts: 28,591
Loc: Flag
Re: .99999 repeating doesn't equal 1 [Re: King Koopa]
    #11277679 - 10/19/09 04:10 PM (8 years, 6 days ago)

Quote:

King Koopa said:
its flawed. you guys are just working out equations of equations that arent exactly equations. kind of like sex



It's not flawed, everyone just confuses abstract mathematical principals with concrete reality. It bothered me for a long time too.

Formula: 0

Formula: 1

Formula: 2


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OfflineNeuron
Tek Savant
Male


Registered: 12/28/08
Posts: 5,778
Loc: @meriKa
Last seen: 7 years, 1 month
Re: .99999 repeating doesn't equal 1 [Re: DragonChaser]
    #11277682 - 10/19/09 04:11 PM (8 years, 6 days ago)

u guys seem rilly smart.


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Invisibleblewmeanie
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Registered: 10/01/06
Posts: 28,591
Loc: Flag
Re: .99999 repeating doesn't equal 1 [Re: Neuron]
    #11277696 - 10/19/09 04:14 PM (8 years, 6 days ago)

and you seem very sincere  :box:


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