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  1. H

    what year did the syllabus change for all topics

    I heard the latest changes was with health priorities in 2003
  2. H

    Can i still get a higher atar than first?

    Cause I'm studying hard for all my subjects for hsc externals, but will first place get my external hsc mark if I beat first place external mark? So would I end up getting a lower atar or something than first place? In terms of first place I mean in a particular subject Like could I get a high...
  3. H

    scale

    Cool thanks cause my school is doing sports medicine and improving performance
  4. H

    scale

    Does the options scale differently and if they do which options scales the highest?
  5. H

    atar estimate

    School rank 174 Subjects Maths extension 1 6/10 Biology 1/(30 something) English advanced 5/42 Mathematics 7/28 Chemistry 5/14 Pdhpe 2/(40 something)
  6. H

    impressed current

    What is it in terms of redox reactions I know that the inert acts as the anode and the protecting metal is cathode I don't understand the reaction between them...
  7. H

    ranks for 99+ atar

    Haha thanks, but my atar goal is 96+ I was just curious cause my group was discussing this that's all But yeah I expected 1st in everything
  8. H

    ranks for 99+ atar

    Lol one with 2nd place haha
  9. H

    ranks for 99+ atar

    Thanks that's exactly what I expected (-_-)
  10. H

    ranks for 99+ atar

    Hello, My school rank is around the 170s, I was wondering what ranks ill need for these subjects to get a 99+ atar Pdhpe Maths Ext 1 Maths English advanced Biology Chemistry
  11. H

    complex formula for growth and decay help

    This is another question I'm not getting the answer too, I understanding the basics just don't know where I'm going wrong with this one 11. Whilhemy's law states that the rate of transformation of a substance in a chemical reaction is proportional to its concentration. That is dx/dt=k(x-c)...
  12. H

    complex formula for growth and decay help

    Sorry but the answer said fir 7 a its -5.2 degrees
  13. H

    complex formula for growth and decay help

    Q7 a piece of meat, initially at 14 degrees is placed in a freezer whose temperature is a constant -10 degrees. After 25 seconds the meat is 11 degrees. Find a) the meats temperature after 5 minutes b) when the temperature will reach -8 degrees (to the nearest minute)
  14. H

    probability

    Re: pribability *typo
  15. H

    probability

    Re: pribability Thank you but the question was worded wrong like a type so that's why 3a is zero haha
  16. H

    probability

    2. In a set of cards, each has one of the letters A, B, C, D and E on it. If two cards are selected at random with replacement, find the probability that a) Both cards are A's b) One card is an A and the other is a D c) Neither card is an A or D Thx
  17. H

    integration help

    I dont think so because its way too long And that question is also confusing... answer is apparently 215pi/6 Its fine my friends and I are working on this exercise tomorrow :)
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