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By: User has deleted their account.
i must gain some thumbs
Tags: so dont question
 
What do you think? Give us your opinion. Anonymous comments allowed.
#61

perfonator (11/17/2012) []
umm... actually our math teacher told us that 0.999...(infinite) is equal to 1.
#45

deltaxomega ONLINE (11/17/2012) [+] (4 replies)
X=0.999..........
10X =/= 9.999.........
10X = 9.99..........0 (No matter where you feel like ending your line of 9's a zero must have a zero place as a marker at the end.)
10X  X == 9.99..........0  0.999....... = 8.99..........................1
1/9= 0.111.......
9* 1/9 =/= .999....... (you must place 1 under the whole number before * or / Fractions.)
9/1 * 1/9 = 9/9 = 1
10X =/= 9.999.........
10X = 9.99..........0 (No matter where you feel like ending your line of 9's a zero must have a zero place as a marker at the end.)
10X  X == 9.99..........0  0.999....... = 8.99..........................1
1/9= 0.111.......
9* 1/9 =/= .999....... (you must place 1 under the whole number before * or / Fractions.)
9/1 * 1/9 = 9/9 = 1
#19

robarth (11/16/2012) [+] (4 replies)
well it is valid, you see 1/3 = 0,333... right?
3 x 1/3 = 1 right?
keep with me
3 x 0,333... = 0,999... = 1 right?
there you go
3 x 1/3 = 1 right?
keep with me
3 x 0,333... = 0,999... = 1 right?
there you go
#104

hugsforfree (11/17/2012) [+] (1 reply)
One third = 0.3 recurring
Two thirds = 0.6 recurring
Three thirds = 0.9 recurring
Decimal system has many holes.
Two thirds = 0.6 recurring
Three thirds = 0.9 recurring
Decimal system has many holes.
#53

landrower (11/17/2012) [+] (2 replies)
this is something that i knew when i was twelve... is funnyjunk really full of children?
#122

judoman (11/17/2012) [+] (5 replies)
...well yes, 0.999.. IS = 0.1
That's true. You have a good proof for it right there that would be revolutionary if shown to the Romans in antiquity.
That's true. You have a good proof for it right there that would be revolutionary if shown to the Romans in antiquity.
#105

nickhols (11/17/2012) []
Sure is uneducated in here
The number 0.111... is not representative of 0.111, but rather 0.1 repeating, so the proof is sound, though there are many more intuitive proofs.
This has to do with the idea that under the real number system, which we use, there are no existing nonzero infinitesimals, so 0.999... is equivalent to one, because the "difference" doesn't exist.
This idea is too counter intuitive for most students to accept, so the idea is ignored until higher level mathematics.
The number 0.111... is not representative of 0.111, but rather 0.1 repeating, so the proof is sound, though there are many more intuitive proofs.
This has to do with the idea that under the real number system, which we use, there are no existing nonzero infinitesimals, so 0.999... is equivalent to one, because the "difference" doesn't exist.
This idea is too counter intuitive for most students to accept, so the idea is ignored until higher level mathematics.
#90

syophan (11/17/2012) []
This is simply correct, 0.999... is an alternative way of writing 1 ^^
#44

allamericandude (11/17/2012) []
The reason people struggle with this is because it's hard for us to imagine infinities. We see "0.9999..." and we just assume that somewhere along that line there's a "0" to mark the end. But there isn't.
#39

GeorgeBush (11/17/2012) [] This is true for any infinitely repeating real number integer, .25999... = .26, .43999... =.44
It's really not that hard
It's really not that hard
#138

schmuxy (11/17/2012) []
Yes, 1 = 0.999999999999999999999999..... ad infinitum.
This is an established fact.
This is an established fact.
#116

anonymous (11/17/2012) []
OP is correct, it's actually proven like this
0.999...=0.9x10^0+0.9x10^1+0.9x10^2+... where q is 1/10
sum of a infinite geometrical sequence:
first term/(1q)
= 0.9/(1(1/10))=1
0.999...=0.9x10^0+0.9x10^1+0.9x10^2+... where q is 1/10
sum of a infinite geometrical sequence:
first term/(1q)
= 0.9/(1(1/10))=1
#8

satanslore (11/16/2012) [+] (18 replies)
This is incorrect ,but i' gonna see if my math teacher can get it xD
#46 to #24

anonymous (11/17/2012) []
You lost any and all support from me when you said "Ask your calculator"... That statement just made me grind my teeth. Ever see that picture where two calculators answer the same equation with a different answer?
The math in this equation is solid until 1/9 = 0.111(1). At which point, you just nod your head and agree, but it's incorrect.
Think of it like this: When you divide 1 by 3, what do you get? We've been trained to say "0.333(3 repeating)". But that's not correct. 0.333(3) * 3 = 0.999(9).
This means 1/3 =/= .333(3) but we still deem that the two are the same.
1/9 =/= 0.111(1) because 0.111(1) * 9 = 0.999(9) and 1/9 * 9 = 9. Just because your calculator ******* says so doesn't make it true.
The math in this equation is solid until 1/9 = 0.111(1). At which point, you just nod your head and agree, but it's incorrect.
Think of it like this: When you divide 1 by 3, what do you get? We've been trained to say "0.333(3 repeating)". But that's not correct. 0.333(3) * 3 = 0.999(9).
This means 1/3 =/= .333(3) but we still deem that the two are the same.
1/9 =/= 0.111(1) because 0.111(1) * 9 = 0.999(9) and 1/9 * 9 = 9. Just because your calculator ******* says so doesn't make it true.
#56

thechosentroll (11/17/2012) [+] (2 replies)
So, we're just going to ignore the fact that he divided by zero?