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  1. bongoli

    One-stop shop for all your textbook needs at cheap prices $$$ EVERYTHING BELOW RRP

    You're probably on this forum to find some cheap sales ladies and gentlemen of HSC 2015 & 2016, i plan to sell a variety of books so please PM or message me if you have any questions: :awesome::awesome::awesome::awesome::wink::cool2: MATHS: YEAR 11: - Assortment of Matrix Mathematics books...
  2. bongoli

    wot???? pls halp

    Can someone explain this 2012 hsc question to me? The answer provided is D, yet it makes no logical sense. The question clearly outlines a step-down transformer ((20V to 2V)) yet in D; they show a step-up transformer. As far as my knowledge of physics goes, the ratio of turns should be identical...
  3. bongoli

    b6 cutoff?

    Estimated b6 cutoff this year? Last year it was 77 raw. Any ideas?
  4. bongoli

    3u in 2u?

    Can you use 3u methods to solve 2u questions? Would you be deducted marks if you came to the right conclusion but like in 2-3 lines using 3u methods as opposed to using 2u methods? Thanks, just wanted to know as a headsup for the upcoming 2u exam
  5. bongoli

    Probability Q?

    The probability that a rare plant grows to maturity in a nursery is 1/9. What is the least number of plants that would need to be in the nursery to have at least a 95% chance of one plant reaching maturity? Cheers
  6. bongoli

    Maths 3u question??????

    I dunno, this is a weird question for a 2marker; not sure if i'm missing something tho It works if i sub n for number 1,2,3 etc but not sure how to factorise the n out lol thanks
  7. bongoli

    Maths 3D Trig Help?

    A,B,C and D are four points, equally spaced on the circumference of a horizontal circle of radius length 3cm. P is a point above the circle such that PA = PD = 4cm and PB = PC = 6cm. Calculate the size of angle APC. Thank you! :spin:
  8. bongoli

    ranks required for 95+ atar?

    Can i get a rough estimate of ranks required for me to get a 95+ atar? school rank: 250 Cohort size: physics: /70 business: /55 eng adv.: /40 maths ext.: /60 maths 2u.: /112 ipt: /21
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