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this took me ages, i kept trying to use vectors and graphs (y=mx+c) turns out it was just a simple sine rule question however i think i still got it wrong, i got 4.1489 degrees, which doesn't sound right. here is my working. http://img510.imageshack.us/my.php?image=mathsbz4.jpg

prove it =p bonus points for general soln for the sum to infinity of i/x^i

find 1/2 + 2/4 + 3/8 + 4/16 + 5/32 + ..... to infinity =D

http://www.news.com.au/heraldsun/story/0,21985,24364214-663,00.html lol

Ahh ok, thank you both. It was '6am' bit that confused me. I think it's easier to just T = the time (after midnight) the snow started falling.

I still don't get it, it says in the question 'Let t be the time in hours from the beginning of the snowfall'. So what's T?

what does it mean when it says 'Let t = T correspond to 6 am.'

Alot of people at my school walk around solving these. its annoying, most of them think theyre so good because they can apply some algorithm they got off the net.

he will fail if he gets king twice in a row prob of getting king once is 1/13 prob of getting king twice in a row is (1/13)2 = 1/169 thereforefore prob of not getting king twice in a row is 1- 1/169 = 168/169

but ccleaner only finds stuff it knows you dont need, like temp files. Overdisk shows you whats taking up all your space in the form of a pie chart so you can delete it, like stuff you forgot was ever there.

overdisk http://overdisk.en.softonic.com/ is really good for finding crap you don't need.

i think ;; is meant to be this http://en.wikipedia.org/wiki/Sweat-drop