Search results

  1. I

    HSC 2016 MX1 Marathon (archive)

    Re: Flop math question thread Factorise Top: (x-1)(x^2 +x + 1) Bottom: (x-1)(x+1) Cancel out (x-1) and then sub in x=1
  2. I

    General Thoughts: Mathematics Extension 1

    How to determine state ranks if entire james ruse gets 100 raw?
  3. I

    Carrotsticks' Solutions 2015 Extension 2 HSC

    Isn't 1 + 2nC2 + 2nC4 +...+ 2nC2n = 2^2n-1? 16 b) iii)
  4. I

    Biology exam thoughts

    What did people get for 16 and 17?
  5. I

    Biology exam thoughts

    For question 15, if you related to mendel it would be RR and rr however since it is codominance it must be RR and YY where RY makes orange. Also remember that mendels ratio in genotype is 1 TT : 2Tt : 1 tt and that he did two crosses. The first crosses was between two purebred and the second was...
  6. I

    Biology exam thoughts

    Migration. It did ask for 2 birds that originally migrated to the island so i assume that variety x migrated in after 100 generations
  7. I

    Biology exam thoughts

    For section two - i said there was a change in the environment on the island which leads to a different characteristic more fit for survival. Since didnt completely go down and population stabalised i said the majority of the island changed but some of the island remained the same.
  8. I

    Biology exam thoughts

    D. something about developing stronger immune system.
  9. I

    Biology exam thoughts

    3D double helix structure + sugar phosphate backbone
  10. I

    Biology exam thoughts

    For the pathogen i put fungi because it had a cell wall.
  11. I

    Biology exam thoughts

    What did people draw for the diagram of results testing water purifying tablets. I drew 2 agar plates
  12. I

    Biology exam thoughts

    What was the process of the model of DNA. I put dna replication but wasnt sure what it was.
  13. I

    Biology exam thoughts

    For that i put brain. Biology so ez not even considered hsc exam. For those that did communication, what did you do for that 4 marker on sonic shadow. I put 1400-5000hz but others put greater than 1400hz.
  14. I

    Biology exam thoughts

    Where the fk did all the scientists go. Did they disappear or something.
  15. I

    Official BOS Trial 2015 Thread

    So how do we confirm out registration? I dont want to show up and turns out im not registered.
  16. I

    Drsoccerball's 2 Unit Guide

    Does anyone look at the maths syllabus?
Top