0.99r = 1

craarc · 26 Mar 2012 at 03:22

what ever way you look at it its not "= " simple as

craarc · 26 Mar 2012 at 03:27

[FnG]magnolia;21554250 said:
This man for instance can barely type his own name and he's in his 50's.

lolz does the ability to type and a persons age.. bother people that much... not in my world

[FnG]magnolia · 26 Mar 2012 at 04:10

daz said:
These threads always go the same way.

People who studied maths up to GCSE = "It's not quite 1, it doesn't matter what maths trickery you use in the 'real world' it's not exactly the same, there'll always be a tiny bit left over"

People who know more maths = "They are the same".

craarc said:
what ever way you look at it its not "= " simple as

Mason- · 26 Mar 2012 at 04:14

craarc said:
what ever way you look at it its not "= " simple as

Thing is, you seem quite narrow-minded and set in your ways and are not willing to listen to other peoples views let alone comprehend them, if you want to believe they are not the same, don't but what you are saying is false, whether you believe it or not they are equal.

craarc · 26 Mar 2012 at 04:16

there is no argument 0.xxxxxxxx is not = to 1 it can never be........

Mason- · 26 Mar 2012 at 04:19

Mason- said:
Thing is, you seem quite narrow-minded and set in your ways and are not willing to listen to other peoples views let alone comprehend them

craarc said:
there is no argument 0.xxxxxxxx is not = to 1 it can never be........

And with that I'll leave you to it.

craarc · 26 Mar 2012 at 04:30

send me all your dollars pounds dinars francs euros qwatchos and i will pay you .99% percent of each one in return thx

[FnG]magnolia · 26 Mar 2012 at 04:51

You're embarrassing yourself now.

asim18 · 26 Mar 2012 at 05:01

craarc said:
send me all your dollars pounds dinars francs euros qwatchos and i will pay you .99% percent of each one in return thx

You'll have to pay him for infinity though.

I think I understand it now :eek:

thanks craarc!

Mason- · 26 Mar 2012 at 05:12

Trollers gonna troll.

Idiots gonna be idiots.

Oh wait, they're the same thing.

Tibbz2 · 26 Mar 2012 at 07:34

Lol, i've always known it does = 1

This is the way we figured it out:

x = 0.9999999999999etc.
10x= 9.9999999999999etc.

Take them away and you get 9x = 0.9 /9 = 1.

Top Cat · 26 Mar 2012 at 07:37

Once you go troll, you never reroll.

mmj_uk · 26 Mar 2012 at 08:37

Common sense says it's not 1 but mathematically you're never going to get to the bit left over because it's an infinite number.

Cosimo · 26 Mar 2012 at 08:41

Mason- said:
Trollers gonna troll.

Idiots gonna be idiots.

Oh wait, they're the same thing.

..... and they'll all say it's equal to one.

BunnyKillBot · 26 Mar 2012 at 08:42

daz said:
These threads always go the same way.

People who studied maths up to GCSE = "It's not quite 1, it doesn't matter what maths trickery you use in the 'real world' it's not exactly the same, there'll always be a tiny bit left over"

People who know more maths = "They are the same".

Actually, people 'who know more maths' would never use 'r' or 'recurring' because it is not a valid notation.

Scougar · 26 Mar 2012 at 09:24

OK, so after my cycle in this morning, I've a better take on it.

Basically, the problem here is the system, or a representation problem. In this instance, we are unable to represent say 'a third' in a decimal sense correctly so we use the recurring notation. In in this instance 0.33r *3 would be the same as 1, purely based on a flaw in the system... or perhaps not a flaw, just a side effect.

We could get around this issue by using a different base (instead of base 10), but at some point we will arrive at issue's like this with other bases.

This is the reasons why we have different types of math (such as fractions), so we can represent these figures accurately, and so they are understood correctly.

So... is 0.99r the same as 1? Yes. But only because we are unable represent certain figures correctly.

div0 · 26 Mar 2012 at 09:36

So if a frog is in the middle of a lake and with every hop he jumps 90% of the remaining distance to the edge of the lake. Does he ever reach the other side?

Apparently yes, if he lives to be infinitely old.

toasteh · 26 Mar 2012 at 09:38

Also because the frog is not infinitely small, so eventually the distance it has to cover will be smaller than the frog itself

Damnations Fury · 26 Mar 2012 at 09:41

I may be wrong, but wouldn't the correct way to put it be 0.9r ≡ 1, i.e. 0.9r is the equivalent of 1? I'm open to being wrong, but it was just a throught.

GhostlyPea · 26 Mar 2012 at 10:11

D.P. said:
There is not a special case. You just have to understand infinity.

Another example.
What is the square root of 2? You actually have sereveral ways to represent this same entity.
Then what is the square root of 2 squared? 2 obviously.
Just like (1/3) * 3 = 1

Makes more sense ta. Somebody else posted 1/3 = 0.33r which we accept but ofc 0.333r x 3 = 0.99r which leaves us in the same situation as people accept 3 x 1/3 to equal 1 but not when written as 0.33r x 3. Am I right in thinking we can't display the "missing" bit as a fraction as it can't be quantified?

I just wish I understood Maths better - I only have a GCSE as I wasn't able to do it at A-Level. I want to attend evening classes but time restraints and all that...

- GP