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Could be because of rounding off. People should remember that marks are submitted to the nearest whole number. So 92.5% = 93.4%

I'm assuming you are talking about being whipped during the race? Whipping doesn't do shit to horses.

Was kinda rhetorical, I can tell.

lol does anyone in this thread actually know anything about horse racing or horse breeding/training in general?

Re: HSC 2014 4U Marathon Though looking back on it, there really isn't much difference in flipping it or not lol.

Re: HSC 2014 4U Marathon Wasn't a typo, I just flipped it since like you said the inverse of a real number is still real, and I thought it was easier to manipulate when it was flipped compared to the original question.

99

Re: HSC 2015 4U Marathon \frac{z^2+|z|^2}{z} = z+\frac{z\bar{z}}{z} = z+\bar{z}

Q2: if answered no to question one, why are you lying

Awesome, cheers. Need one more junior science unit to fulfil my course requirements before I can do all maths. Thinking concepts in biology next sem is the way to go.

Anyone done concepts in biology? How is it? Especially if I haven't done HSC biology.

Strong poll.

me

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Not entirely true, your methods have to stay within the syllabus.

If person 1 has a probability of A of eventually winning, we note that person 2 must also have a probability of A of eventually winning given that person 1 does not win on his first turn. So we arrive at 3 outcomes: Person 1 eventually wins - A Person 2 eventually wins after person 1 does not...

http://community.boredofstudies.org/1125/mathematics-extension-1/330066/carrotsticks-2014-extension-1-hsc-solutions-4.html#post6785289 http://community.boredofstudies.org/1125/mathematics-extension-1/330066/carrotsticks-2014-extension-1-hsc-solutions-4.html#post6785297 Some elegant methods.

The probability question part (ii): $Let the probability that player 1 eventually wins be A$ A+rA+q=1 A=\frac{1-q}{1+r} A = \frac{p+r}{1+r} since p+r+q=1