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Does .999.... = 1?
Yes 24%  24%  [ 13 ]
No 69%  69%  [ 38 ]
No idea 7%  7%  [ 4 ]
Total votes : 55
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PostPosted: Thu Aug 25, 2005 8:14 pm 
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.9 does not equal 1

.9 does not read as 1

.9999999999999999999999999999999999999999999
is still
.9999999999999999999999999999999999999999999
it will never be 1.0
it's .9
unless there was a meeting i missed about 9 equaling 1 it will remain to be .9

but .999999999999999999999
can be rounded up to 1 then yes it would equal 1 but the orginal number itself can never equal 1 even if it does repeat.



1/3 = .333... (this shouldnt be 1/3 if you think about it correctly you only round up 1 if the decimal is i believe 5 or higher)

and

2/3 = 0.666.... (this is true if rounded)

and

1/3 + 2/3 = 1 (1/3 +2/3 equals 1 whole)


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PostPosted: Thu Aug 25, 2005 8:26 pm 
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yes arim thanks for saying EVERYTHING led said in the original post lol


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PostPosted: Thu Aug 25, 2005 8:31 pm 
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glad i can help, thanks for posting in every topic

:D


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PostPosted: Thu Aug 25, 2005 8:39 pm 
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...what? lol, I'm not even going to argue about that because a fair amount of people know that's pretty hypocritical of you.


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PostPosted: Thu Aug 25, 2005 8:56 pm 
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yea so, i was talking about you not me..


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PostPosted: Thu Aug 25, 2005 8:56 pm 
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boy I really got lost on the first part. :-s

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PostPosted: Thu Aug 25, 2005 9:03 pm 
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Pantherxx wrote:
boy I really got lost on the first part. :-s


lol

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PostPosted: Thu Aug 25, 2005 9:12 pm 
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When you study calculus 3 and learn about serie you will understand why .9999... = 1 I think it's a chapter on cal2 not 3 I dont know that was long time ago.

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PostPosted: Thu Aug 25, 2005 9:14 pm 
The Mexican Reject
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Arim wrote:
.9 does not equal 1

.9 does not read as 1

.9999999999999999999999999999999999999999999
is still
.9999999999999999999999999999999999999999999
it will never be 1.0
it's .9
unless there was a meeting i missed about 9 equaling 1 it will remain to be .9

but .999999999999999999999
can be rounded up to 1 then yes it would equal 1 but the orginal number itself can never equal 1 even if it does repeat.



1/3 = .333... (this shouldnt be 1/3 if you think about it correctly you only round up 1 if the decimal is i believe 5 or higher)

and

2/3 = 0.666.... (this is true if rounded)

and

1/3 + 2/3 = 1 (1/3 +2/3 equals 1 whole)



Sigh

We aren't talking about .9999999999999999999999999999999999999999999. We are taking about .999... where the ... means REPEATING.

Go get a good calculator and put in: (1/3) + (1/3) + (1/3) and see what you get.


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PostPosted: Thu Aug 25, 2005 9:23 pm 
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Matti is right the problem is there is no truely accurate way to write .999 repeating using the decimal system. But the number .999... represents is equal to 1. So to say that .999... isn't equal to 1, is to say that 1/3 +1/3 +1/3 doesnt equal 1. .999... is really just a symbol and the by product of a flaw in the decimal system.

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PostPosted: Thu Aug 25, 2005 10:31 pm 
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1 equals 1
not .999

.999 equals .999

i win calculus lies


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PostPosted: Thu Aug 25, 2005 10:35 pm 
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Arim wrote:
1 equals 1
not .999

.999 equals .999

i win calculus lies

You're forgetting the "..." that's what's making the matter so complicated appaerently. (although I do agree with your statement that only 1 equals 1)


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PostPosted: Thu Aug 25, 2005 10:44 pm 
The Mexican Reject
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Arim wrote:
1 equals 1
not .999

.999 equals .999

i win calculus lies


True.

But 999... = .9 + .09 + .009 + .0009 ...

Therefore (9/10) * sum(from n = 0 to infinity, .1^n)

Now plug that in here: a/(1 - r) where a = 9/10 and r = .1

so we have

(.9)/(.9) = 1

Does that make more sense to you?


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PostPosted: Thu Aug 25, 2005 10:46 pm 
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well if you divide it, it will equal 1

but what im understanding is his teacher is saying .9(99999) equals 1 just in general


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PostPosted: Thu Aug 25, 2005 10:50 pm 
The Mexican Reject
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Arim wrote:
well if you divide it, it will equal 1

but what im understanding is his teacher is saying .9(99999) equals 1 just in general


nonono

(9/10)/(1 - .1) = (9/10) * sum(from n = 0 to infinity, .1^n) = .999...


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PostPosted: Thu Aug 25, 2005 11:13 pm 
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Matti's geometic series proof is correct. The study of calculus deals with infinite series all the time...it's what the value converges on, after an infinite number of repetitions, that really matters. The same with that "you can only go halfway" junk. The fact that you can only get infinitely close to the destination point is moot, due to the fact that the time it takes to cross those intervals becomes infinitely small.

I don't expect anyone to really understand this without having taken at least one course in calculus. If you haven't, quiet. ^^


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PostPosted: Fri Aug 26, 2005 12:10 am 
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Nerd alert.


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PostPosted: Fri Aug 26, 2005 1:57 am 
Youre a Crappy HNM like Roc or something
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i know if theres 20 ounces in a soda bottle, and its 90 degrees out... then im going to drink a whole bottle.

1 + 3 + 3 = 7 or what i like to call LEET

take also for example this image here
























Image

discuss :wink:

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PostPosted: Fri Aug 26, 2005 2:08 am 
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xiona i swear you always have answers lol

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PostPosted: Fri Aug 26, 2005 2:47 am 
The Original Dark Knight™
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Xiona once again brings us to the path of enlightenment.


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PostPosted: Fri Aug 26, 2005 11:44 am 
Father of Evil Twin Tarus & 1 Mastermind
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hmmmm ........................ nope I still dont get it. :-s

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PostPosted: Fri Aug 26, 2005 12:00 pm 
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im lost >_> where am I? I see numbers n stuff ; ; scary

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PostPosted: Fri Aug 26, 2005 2:04 pm 
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Quote:
Image

discuss :wink:

Quote:
The Curse
From FanimutationWiki

The Curse of Animutation, often called the DDR Dave Thomas Curse after the first noticed example, is an effect that has been observed happening to several animutation characters.

The best-known example was the saga of DDR Dave Thomas. Posted on Newgrounds on January 4, 2002, Wendy's founder Dave Thomas died four days later, January 8. This immediately led to speculation of a curse.

Later, in September 2003, Neil released some of his more minor, non-animutational works. One, wtf.swf, featured Siegfried and Roy. About a week and a half later, Roy was mauled by a tiger. (Wtf.swf also contained Kobe Bryant, whose rape accusations were just unfolding at that time, but it was released about a month after the first accusations surfaced.) And in January 2004, Mark Hughes posted his classic animutation Shumway on Flashplayer.com (http://www.flashplayer.com), and the next day, Captain Kangaroo, one of the stars of Shumway, died.

stub: Wesley Willis, appearing in Rock And Roll Mcdonalds died as well.


There are no explanations as to why the curse would only affect certain characters, mainly ones who were only used in one or two movies. Major examples include Matthew Lesko, Colin Mochrie, and Alex Chiu. Earlier, people had suggested that Dave Thomas actually saw the movie, which caused his death. However, now that it is known that Lesko and Mochrie both know about their animutation star status, an inverse theory might hold up better: that animutation characters can fall victim to the curse if they don't see movies featuring themselves. It is unknown whether Alex Chiu has seen any of the movies featuring him, such as We Drink Ritalin, but he invented the Immortality Rings, which could be another cause for his immunity.


http://uploads.ungrounded.net/content.p ... =550&h=400


ok

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PostPosted: Mon Aug 29, 2005 9:35 pm 
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Whoever said .999... does not equal 1 is correct actually. The problem with this mathematical equation is that .333... + .666... is not .99999... It is simply 1. The reason for this is really simple if you take a moment to think about it.

If you have 1/3 and you wish to display it in decimal format, the "closest" accurate representation is .3333333... However, this ignores a simple fact. The most accurate representation of it would be .33333... and 1/3rd. No matter how many times you divide 3 into 1, you will always be left with a remainder of 1. This of course causes the sequence to continually repeat, but regardless of how long you repeat, the remainder remains.

Similarly with 2/3's, it is inaccurartely displayed as .666666, but the most accurate representation would be .666666... and 2/3rds. You have a remained of 2 no matter how many times you divide to display it in decimal format. In fact, for those that have calculators I believe this can be clarified a bit easier because the calculator will "round" the last digit of the repeating sequence to 7.

Now when you add those two numbers together, not only are you adding the decimal format, but you must also consider the remainder. This will not "allow" the addition to generate .999999..., but instead it adds to 1.

Now a better question, and one I do not believe has ever been answered. What fractional number can actually generate a .99999999.... repeating decimal, without drawing in infinite or imaginary numbers.

Have fun!


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PostPosted: Mon Aug 29, 2005 10:24 pm 
The Mexican Reject
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I have had to argue this point so many times with so many people... It hurts my eyes to see such a heathen conversation. .99999.... does equal to 1, there is no question. You are wrong, the mathematics community is right.

Want more mathematical proof? It just requires some simple algebra...

Assume:
.99999...= x

9.99999...=10x
9.99999... -.9999... = 10x- .999999.... = 10x -x
9 = 9x
x= 9/9 = 1

This is where it is different from anything else. It extends into infinity so by moving the decimal (Multiplying by 10) you don't change the sequence.


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