Strange..

[Obligation]

1/2 is actually 0.49999..(not 0.5)

PROOF:

x = 0.49999..
10x = 4.9999..
100x - 49.9999..
100x - 10x = 49 - 4 (the recuring 9s cancel out)
= 45
90x = 45
x = 45/90
x = 1/2

1/2 = 0.4999

[..KiD DyNaMiTe..]

o......................k

[Obligation]

Do you get it?

[hegeland]

0.49999 = 0.5, when you have an infinite number of 9's.

[Obligation]

Yes, and the same proof can be used to say that 1 = 0.999 recuring

[hegeland]

Proof that 0.999... equals 1
http://en.wikipedia.org/wiki/Proof_t...99..._equals_1

Recurring decimal
http://en.wikipedia.org/wiki/Recurring_decimal

[Obligation]

That's interesting, I didn't see that

[Sunflower]

Having a mathematical lecture in a snooker forum. Great. One never stops learning. Go on, please. This is more interesting than any TV-show on a Saturday evening.

[Obligation]

Can we make this thread into a random thread about mathematics?

[hegeland]

OK, a little simple problem to start up with:

A bag contains red balls numbered from 1 to 100 and another bag contains blue balls numbered from 1 to 100. Take one ball from each bag. What is the probability that the sum of the two balls is higher than 80?

Edit: I'd like the answer in smallest fraction possible!

[PaulTheSoave]

Is that you? You like the dapper debonair!

[Obligation]

OK, a little simple problem to start up with:

A bag contains red balls numbered from 1 to 100 and another bag contains blue balls numbered from 1 to 100. Take one ball from each bag. What is the probability that the sum of the two balls is higher than 80?

Edit: I'd like the answer in smallest fraction possible!

I think the answer is 6540/10000
= 357/500


If this is right, maybe we could make a scoreboard?

[Obligation]

Or even if it is wrong for that matter

[hegeland]

Almost right. I'll be back later.

[Obligation]

6550/10000 = 131/200?


Am I not close enough????