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Author Topic: A funny little problem, can anyone solve it?  (Read 1183 times)

Offline Bossieman
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A funny little problem, can anyone solve it?
« on: September 18, 2001, 08:44:41 AM »
I will prove that 3.999999999999........=4

X=3.999999999999...........

10X=39.99999999999999999..........

9X=39.999999999999..........-3.9999999999999999999

9X= 36

X= 36/9
X=4

So 3.9999999.......=4

Is there something fishy here?
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Offline Mr. Kennedy
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A funny little problem, can anyone solve it?
« Reply #1 on: September 18, 2001, 08:55:21 AM »
Oh I\'ve got a solution...

3.9 repeating DOES not = 4

Moron
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Offline kirath
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A funny little problem, can anyone solve it?
« Reply #2 on: September 18, 2001, 09:00:56 AM »
It does =4 there are certain analogies you can use to reach a theological conclusion

For example..  Standing on some train tracks and a train is comming at you.. You know that if you don\'t move its going to hit you... Yet mathamaticaly speaking the train will never hit you..

its 2 feet away, then its 1 foot, then a half .5 , then .1, then .11111111 , then .011111111

But you know it will reach 0...  At which point you are squished..  So   3.99999 does = 4 once you reach the matter of threshold...
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Offline Bossieman
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A funny little problem, can anyone solve it?
« Reply #3 on: September 18, 2001, 09:36:24 AM »
3.999999999999999999999..... is not 4.

Trust me on this one, ok?
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Offline Black Samurai
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A funny little problem, can anyone solve it?
« Reply #4 on: September 18, 2001, 10:40:38 AM »
RDRR

:laughing:

Don\'t you get it? I crack me up.
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Offline videoholic

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A funny little problem, can anyone solve it?
« Reply #5 on: September 18, 2001, 11:34:37 AM »
Crap - My head just blew up.
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Offline fastson
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A funny little problem, can anyone solve it?
« Reply #6 on: September 18, 2001, 11:59:43 AM »
um??
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Offline OneGig
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A funny little problem, can anyone solve it?
« Reply #7 on: September 18, 2001, 07:39:36 PM »
3.9999999999999... can be expressed as
lim______4 - ( 10 ^ ( -n ) )
_n->oo

The value of the limit is 4. For any writable portion of 3.9999999999999..., n would be an integer.
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Offline Lavan
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Re: A funny little problem, can anyone solve it?
« Reply #8 on: September 18, 2001, 07:51:20 PM »
EDIT:


Never mind, I am a retard.

Good night.
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Offline Lavan
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Re: A funny little problem, can anyone solve it?
« Reply #9 on: September 18, 2001, 08:11:40 PM »
Quote
Originally posted by Bossieman
I will prove that 3.999999999999........=4

X=3.999999999999...........

10X=39.99999999999999999..........

9X=39.999999999999..........-3.9999999999999999999

9X= 36

X= 36/9
X=4

So 3.9999999.......=4

Is there something fishy here?


Okay, I think I remember now, I believe you can\'t do step 3;

9x = 39.9999999....   -  3.9999999

because the 3.99999 goes to infinity and there are special rules to handle numbers that go to infinity because they\'re not really numbers (bear with me).

Check the link: http://groups.yahoo.com/group/alochona/message/130 - what they said ;)
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Offline Sublimesjg
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A funny little problem, can anyone solve it?
« Reply #10 on: September 18, 2001, 08:48:45 PM »
well yea its step three because if you think about it

the 10x is possible by just moving the decimal over one but you cant do that with the 9x - you have to times the last digit by nine which isnt possible - also if it was the last digit would be an 1 - 9x9=8\'1\' which would not make it and even subtraction

so there :P
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Offline Darth Joyda
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A funny little problem, can anyone solve it?
« Reply #11 on: September 18, 2001, 10:31:43 PM »
No more maths.

Not even the wise old Yoda could this solve...

:)
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Offline SonyFan
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A funny little problem, can anyone solve it?
« Reply #12 on: September 18, 2001, 10:54:00 PM »
3.9999999999...... does indeed equal 4 because once you get past the 10th 9 the resulting actual difference between 3.9999999999..... and 4 is so small that for any practical applications you should just say "Fukk it, it\'s good enough". Nobody likes a nitpicker. :D
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Offline PS2_-'_'-_PS2
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A funny little problem, can anyone solve it?
« Reply #13 on: September 20, 2001, 12:17:35 AM »
what the hell i am confused
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Offline fastson
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A funny little problem, can anyone solve it?
« Reply #14 on: September 20, 2001, 12:56:35 AM »
1+1 isnt really 2.. Its 11..
See put 1 next to 1 and it makes 11!

Just like 123+456=123456

EASY!
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