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The actual mark you get from school doesn't mean anything. Say you top the HSC exam for your school with a mark of 80. Your internal mark is now 80.

I tried predicting my mark when I did my HSC. For BOTH advanced and extension I was about 10 raw marks off. My friend expected a state rank and got a band 5. Some people thought they almost failed and got some of the highest marks in my school. You seriously never know with English...

Also don't worry about the paper too much. I guarantee you can not predict your mark. Just focus on killing tomorrow's paper.

12/15 average per section should do it.

Re: 2015 permutation X2 marathon Yep it's irrelevant (the optimal numbers for them to choose won't have a number that is the same distance from each). But for the sake of the question let's say the split the money 50/50. Both players are together/next to each other whilst playing the game, so...

UNSW for financial maths, USYD for pure.

Re: 2015 permutation X2 marathon Sorry should have mentioned this. They can't choose the same number.

Re: 2015 permutation X2 marathon Assume they wanna make as much money as possible for themself.

Re: 2015 permutation X2 marathon Two people play a game (call them A and B). 1. Numbers between 1 and 30 inclusive are written on balls and put in a bag. 2. Person A chooses a number, then person B chooses a number. 3. A ball is then drawn. The closest person to the number drawn wins an...

^^^ If anyone else wants one just PM me and I'll chuck your pre-order in the next batch.

Still not sure how you guys knew that was me lol.

If you go on to do some proper analysis in uni you'll see how to "build" heaps of things you just take for granted (i.e. the real numbers). Very different flavour to high school maths (and if you did the exam I had this year for analysis... shit was hard)

This is true, but some universities inflate their ATAR cut-offs to look better or whatever. I know for my course the cut-off was 98.35 but people with ATAR's in the mid 90's still got in without bonus points. You don't know the cut-off for this year yet, no one has even sat the HSC. 94.40...

I highly doubt this is true since there are many ties each year, and no one would have everything the same like that. Also a HSC marker has no say in the process of how they determine state rankings, it's the head person that does it. Pretty sure the boardofstudies themselves has said it goes...

A hard polys question similar to 2011 c/d would be cool.

Pretty sure they don't? They go to 1 decimal place, then check other extension courses.

It can be done in like 3 lines without GP too.

11d is pretty much the idea behind newtons method since you approximate roots using tangents.

I remember the Olympian last year skipped Q14 and Q15 entirely and just went to Q16. Probably wanted 15 on Q16 (he got 14/15 from memory for it).

Carrotsticks knows that, he pretty much topped real/complex analysis at usyd. He's saying that drsoccerball asked for an approximation, not an exact value necessarily. So what braintic was saying about only using a few terms is fine.