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  1. K

    atar release time??

    8:30am forgot if i used the uac app or not
  2. K

    Carrotsticks' Solutions 2015 Extension 1 HSC

    Would I get 0 or 1 out of 2 marks for: 12. b) ii) Finding p=4 but not finding Q 12. c) ii) Finding OB and using the cosine rule but using angle BOA, hence unable to find h. 14. c) iii) Finding the sum but not multiplying the entire thing 2^(2n+1)
  3. K

    2U 2015 Discussion Thread

    Wrote down the eqn of the Volume of the cylinder and compared it to the one that they gave us. Noticed that their answer didn't have a 'y' but R and H instead, so u had to find an eqn that related y to R and H. Similar triangles took me a minute to figure out maybe cause its similar to rates of...
  4. K

    2U 2015 Discussion Thread

    want to put a wager on me getting 95+? hehe
  5. K

    2U 2015 Discussion Thread

    If u test a point (-1,-1) for y<= root (9-x^2) u would get undefined, so i don't think its in the 3rd quad.
  6. K

    2U 2015 Discussion Thread

    expecting 98 raw then hehe
  7. K

    2U 2015 Discussion Thread

    i shaded within the 1st and the 2nd quadrant :/ also bounded by the x axis
  8. K

    2U 2015 Discussion Thread

    shouldn't sin A = root (15)/8
  9. K

    2U 2015 Discussion Thread

    Walked out 15min early
  10. K

    Official BOS Trial 2015 Thread

    What's the best way to find the room?
  11. K

    Official BOS Trial 2015 Thread

    I'll be coming to get destroyed :p
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