Search results

I don't think any of your subjects are particularly high scaling, but you can still get a good ATAR with them as long as you perform better than most of the other people in the course (not just the people in your school.) Being strong in English is always a big advantage as the English units...

English got a new theme from this year onwards. (Belonging instead of journeys.) Maths hasn't changed at all, and wont change for a while yet. (Everyone is waiting to see what is done about the national curriculum.)

UNSW library is horrible - don't go there unless you have to.

Maths will only contribute to your ATAR if it is one of your 10 best units. (English, on the other hand must be counted even if it is your worst.) So a poor mark in maths is not going to have any worse an effect than a poor mark in another subject.

They amalgamated the biomed library into the main collection. I thought it was a bit sad - I kinda liked the biomed library with those weird kidney bean shaped desks and the tacky colour scheme.

Re: Australian Mathematics Competition Yeah, that's basically what I did - you start with two Dmax's and then shrink them. But another interval on the circle opens up until you've got three Dmax's of 174 km each. Anyway, it is good to see that you've sorted out the other cases.

Re: Australian Mathematics Competition I have found a way to make the maximum distance 174 km. But i am still not happy with this result. Even though i do think that is the opitmal solution, I have done it in such an ad hoc manner that I can't be sure... I am sure that there is some far...

It was rumoured to have a cancer cluster a few years ago.

Re: Australian Mathematics Competition I am not sure if this is the correct answer (which is why I didn't post it earlier), and it sounds very counter intuitive, but if you let one of the Band C stations coincide and then put that point in the mid-point of the interval between two of the A...

The new syllabus was put on hold (by the minister for education) until more is known about what is happening with the national curriculum.

Re: Australian Mathematics Competition My solution to Q30 in the senior division.

you will need to use modular arithmetic for both of these questions. for Q 1, you have to consider what all the squares are mod 3. Q2 is about twin primes. In a pair of twin primes (other than 3 and 5), one is congruent to 5 (mod 6) and the other is congruent to 1 (mod 6). You have to...

Re: Australian Mathematics Competition To do well at these sort of competitions, I think you need to know a bit more Euclidean geometry than is in the syllabus and some basic number theory. Plus the ability to think laterally. All these things can be developed with practice, but you...

Re: Australian Mathematics Competition You have to make sure that you don't count points such as (1,7) and (5,5) which have both an integral x and y coordinate twice. That is why 48 is the correct answer.

They do monitor this site, though. I think they are mainly looking for evidence of plagiarism.

There is a question in the 2001 2u HSC paper (Q6(c)) which uses a similar idea, but with a different cubic.

Doing that I got: y= +/- 1005, x=+/-1004 y= +/- 147, x=+/-140 y= +/- 45, x=+/-4

Re-write as y^2-x^2=2009 Factorise using difference of 2 squares: (y-x)(y+x) =2009 If x and y are both integers, then so are y-x and y+x. Find the prime factorisation of 2009 and then check what all the possibilities for x and y are.

Once you have proved that it is a rectangle it follows that the opposite sides are parallel.

The publishers update the textbooks regularly simply to keep people buying new ones, so often there is very little difference (and let's face it, first year uni maths isn't going to change that much from year to year, is it). You might have some problems with the page number references for...