Search results

  1. Y

    HSC 2012-2015 Chemistry Marathon (archive)

    re: HSC Chemistry Marathon Archive One week to Chemistry shall we make this thread more active?
  2. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Leave more lines empty makes the solution more clear :)
  3. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Yes blame it on the infallible calculator <> hahaha my calculator sometimes loses its mind too.
  4. Y

    Any tips for tomorrow?

    Don't think too quickly you might want to finish the exam as fast as possible to check over for silly mistakes and what not but don't let that make you create even more silly mistakes from rushing just take it easy and if Q16 doesn't make sense just look at it from different angles or points of...
  5. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Let alpha=a for simplicity cos(90-a) = sin(a) (2\sqrt{5})^2=x^2 + 4 - 4xcos(90-a) 20= x^2 + 4 -4sin(a) 4sin(a) = x^2 - 16 sin(a) = \frac{x^2 -16}{4x}
  6. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon He, and yes something along those lines. English HSC was last week I don't care much anymore about my grammatical skills until next year lol.
  7. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon edited
  8. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Parramatta Eels have a 0.1 chance of winning a game they play. How many games must be played so that they are 99% certain of winning.
  9. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Total beads produced over 5 working days = 480,000 2% of 480,000 = 9,600 defective beads?
  10. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Neither do I
  11. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon I got 72
  12. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon $ii)$ \ \ Let x=log_a b a^x=b $ Take log c of both sides$ xlog_c a = log_c b x= \frac{\log_c b}{\log_c a} $Remember that$ x=log_a b :)
  13. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Oh yeah I forgot +c
  14. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon x^3 + 3x^2
  15. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Thanks
  16. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Too..... many...... words. Naa only kidding its 1am and im tired *escapes with shameful excuse*
  17. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon I didn't get a pic send it again
  18. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon In the interest of maximizing skills please explain the solution to your question I differentiated g(x) and lost it after that
  19. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon I've posted a few times unless I don't count in your consensus or you mean something else by sole 2U students.
  20. Y

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon I'm just waiting for it lol
Top