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  1. K

    Maths Ext. 2 Boosing UAI

    has anyone actually read the UAC pdf files on hsc marks and scaling? i've looked through it and here's what i've gathered: from your hsc marks, the only subject that scales up is maths ext2. maths ext1 stays pretty much unchanged, though it tends to scale up a little at higher regions...
  2. K

    Is it possible to prove...

    modular arithmetic is a very simple concept (it was in year 7 maths enrichment) - so you definitely should be able to understand it - just look it up.
  3. K

    Studying 2 Subjects A Day Vs Studying 4 Subjects Per Day?

    1 subject per day. but make sure you understand crop rotation.
  4. K

    Dux of your school

    when i was in year 6, sydney grammar offered no full scholarships at all (only half scholarships i believe). this could very well have changed though.
  5. K

    HSC mark >90 for 4 units

    what sort of raw marks do you need for >90? any estimates? there seems to be lots of discrepancies to this, with some people saying you need like 90/120, some saying 70/120.
  6. K

    Dux of your school

    i'm pretty sure its around 850.
  7. K

    Dux of your school

    i think in 2004 Ruse's median UAI was 99.55
  8. K

    Dux of your school

    fort street: 2003: 99.95 2004: 99.80 2005: 99.50 2006: 100.00 they calculate it based on hsc marks too, not UAI. (which is kinda stupid)
  9. K

    experiments

    hi, could someone please clarify these for me. 1. what is a "control" in an experiment. (i'm thinking this is either the variable we change or a quantity that is not changed such as the angle of rotation in the pendulum experiment) 2. what constitutes a "fair test"? 3. any additional tips for...
  10. K

    [AUTHOURITY NEED]is 'd cosx' available?

    yes it is allowed. for example, integral sec²xtanxdx = integral tanxd(tanx) = (tan²x)/2 doing this is similar to a subsitution: for integral sec²xtanxdx, let u = tanx du=sec²xdx therefore, integral udu = u²/2 = (tan²x)/2 as you can see, the answers are the same. as the above poster said...
  11. K

    a hundred percent??

    haque, do you know what you got?
  12. K

    Piano

    Chopin etudes for the win! Liszt/Moszkowksi ones are good too. also, for speed buffs - Czerny's op. 299, school of velocity. lol crotchet = 200, playing semiquavers.
  13. K

    a hundred percent??

    but the top raw mark gets equated to 100 anyway. hmm so where did the rumour of stephanie getting full marks come from? i hear it everywhere. and does anyone actually know when the last time someone got full raw marks was?
  14. K

    Awesome Female Characters in Literature

    yay an Eddings fan. I'm going to say Caswell's Merryll from Merryll of the Stones.
  15. K

    Any girls got 98 onwards for HSC last year?

    both ext1 and ext2 were topped by girls. ext1 actually had two girls having the same mark.
  16. K

    i NEED an adv. English tutor NOW.

    lol year 9 already on bos.
  17. K

    4Units Integration

    the third one seems to be some sort of combination of by parts and substitution, but i'm not sure. edit: okay, q2 and q3 are from the special properties of integrals, namely the one where the integral of f(x) from 0 to a is equal to the integral of f(a-x) from 0 to a. (use subsitution at...
  18. K

    Log help please

    for the first one: lnx = x-1, x = e^(x-1) -->taking base e of both sides ex = e^x -->multiply by e on both sides by inspection, x = 1. to prove that there are no further solutions: d/dx{lnx} = 1/x. therefore, for x>1, the gradient of lnx is less than 1. d/dx{x-1} = 1, which is always 1...
  19. K

    4Units Integration

    first one, subsitute u² = 2-x. still thinking about the others.
  20. K

    umm does anyone play runescape?

    used to play it when zonghui first got 99 hitpoints, tks with the highest overall skills, and gearshifter with highest prayer. gotta love the days when rune 2handers were still 200k each. (and still called wrongly as the rune 2 hander)
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