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  1. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    in fact last year, from rawmarksinfo 74% (raw 52)got an aligned 90
  2. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    Seems likely from previous years
  3. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    sin 13pi/18 = sin 5pi/18 sin 17pi/18 = sin pi/18 Sin 25pi/18 is different to the other two Therefore the three distinct roots of sin pi/18 sin 5pi/18 sin 25pi/18 ( only 3 roots as it is cubic)
  4. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    lol reesponding like we didn’t already talk about this in real life but yeah wjm said lots of people will get 2 so I’m pretty sure we should get 2/3, 1 is unnecessarily harsh
  5. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    3 marks, we should get 2 right?
  6. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    decent aside from the last part of q13 and I’m guessing no chance for state rank with 69?
  7. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    new syllabus so it’s hard to tell, I’m guessing similar difficulty to previous years but I wouldn’t rly know
  8. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    equate coefficients of x^n on each side
  9. black.mamba

    HSC Extension 1 Mathematics Predictions / Thoughts

    last q of q13 tho fml u had to test on both sides of the discontinuity
  10. black.mamba

    HSC Extension 2 Mathematics Predictions / Thoughts

    q11: 16 q12: 14 q13: 15 q14: 16 q15: 13 q16: 16
  11. black.mamba

    HSC Extension 2 Mathematics Predictions / Thoughts

    please tell me there are more offers, i didn't get one with my 3160 vr was 640 so that may have ruined me
  12. black.mamba

    HSC Extension 2 Mathematics Predictions / Thoughts

    yeah, same! hopefully atar and ucat can score me an interview, but its been so long since I've had an interview...
  13. black.mamba

    HSC Extension 2 Mathematics Predictions / Thoughts

    in past years low 90s, probably high 80s this year?
  14. black.mamba

    HSC Extension 2 Mathematics Predictions / Thoughts

    in 2019, 65 raw aligned to an exam mark of 82, so i'd be guessing high 60s to low 70s this year for aligned 80 given that the exam was easier
  15. black.mamba

    HSC Extension 2 Mathematics Predictions / Thoughts

    I think pulleys are in the course (in 3U thought), and they're occasionally in other trials, although yr 11 phys knowledge did certainly help.
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