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  1. #21
    We assume that it is 1 because it makes calculations way easier, and the error it creates in reality is so little we can't notice it.

    Maybe in the future it will cause problems.

    We know .9999... doesn't =1
    but in math we say this to cut down the paper work.
    There's many other things in math that we assume or bend to our advantage.

    so literaly .9999999 doesn't = 1
    but for the sake of saving time we say it does.

  2. #22
    Quote Originally Posted by Tarrant Rahl
    Sure, it does technically equal 1/3, but what I can question is the validity of any equations utilizing .333 instead of 1/3, since 1/3 can't technically be written properly in decimal form for an equation. If you can't truly write that number in decimal form, how can you use it in equations in decimal form?
    But you can write it in decimal form, it's ".3" with a bar over the three.

    This is irrelevant, however. How you write a number has no bearing on the number itself. It's the same number whether you write it "1/3" or ".3..." or whatever, just as "3", "three", "tres", and "III" are the same number, regardless of the word, symbol, or notation used to represent it. Any equation written in demical notation could easily be rewritten in fractional notation using roman numerals if you wanted -- the validity of the equation has nothing at all whatsoever to do with what notational system you decide to use.

    One third times three equals one. There's no magic associated with notational systems that would make this true if you write it one way but false if you write it another. Don't confuse the actual math with the way you write it out. "One third times three equals one" was true long before humans came along and invented writing...

  3. #23
    I've been hesitant to reply so far but...


    1/3 can be represented by 0.3 repeating. Technically they are not equal. Remember back to 8th grade, 0.3 repeating is found by dividing 1 by 3. If you were to actually do this calculation, you could never could finish.

  4. #24
    GWOnline.Net Member
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    6th Numerical System Discovered

    Hello everyone hahahaaa
    Last edited by zabadoohp; 21-05-2010 at 21:29.

  5. #25
    GWOnline.Net Member Tucks's Avatar
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    759
    hahaha, epic thread necromancy.
    Last edited by Tucks; 05-12-2007 at 06:58.

  6. #26
    GWOnline.Net Member
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    348
    Quote Originally Posted by trafalgar-zero View Post
    We know .9999... doesn't =1
    but in math we say this to cut down the paper work.
    There's many other things in math that we assume or bend to our advantage.
    .9999... (repeating) does euqals to 1. yes, blame math that u can manipulate any ways u want as long as both side equal and ur not breaking the rules.

    Quote Originally Posted by trafalgar-zero View Post
    so literaly .9999999 doesn't = 1
    but for the sake of saving time we say it does.
    .9999999 does not equal to 1. do the method below u wont come up with 1 but exactly .9999999.

    Quote Originally Posted by BiggestHobbit View Post
    Let x = .9999...
    10x = 9.9999....
    10x - x = 9.9999... - .9999...
    9x = 9
    x = 1
    therefore .9999... = 1

    BH
    that one is the correct answer & proof method; learn in calculus about limits.
    Last edited by The Avatar; 05-12-2007 at 07:25.

  7. #27
    GWOnline.Net Member
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    Hello everyone hahahaaa
    Last edited by zabadoohp; 21-05-2010 at 21:30.

  8. #28
    GWOnline.Net Member
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    348
    Quote Originally Posted by zabadoohp View Post
    Your "equation" is false. If it was true you could do this.
    Let x = .8888...
    10x = 8.8888....
    10x - x = 8.8888... - .8888...
    8x = 8
    x = 1
    therefore .8888... = 1
    no redo it & check ur work.

    let x = .8888...
    10x = 8.8888...
    10x - x = 8.8888...- .8888...
    9x = 8
    x = 8/9 = .8888888889
    Last edited by The Avatar; 05-12-2007 at 07:12.

  9. #29
    GWOnline.Net Member Drec Sutal's Avatar
    Posts

    7,904
    and any other infinitely repeaping
    number
    Go away, unless you care to actually say something.

  10. #30
    GWOnline.Net Member MoonUnit's Avatar
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    1,522
    Quote Originally Posted by zabadoohp View Post
    Useless mathematics
    You registered today to revive a 3 year old thread? Why would a "math whiz" be posting on a gaming forum?

    You might want to check this out.

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