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  1. A

    Chemistry 9701/P22

    the paper was easy! but it still didn't go great... what was the value of Kc? 2.25 or 0.44?
  2. A

    chemistry p22 help!!

    okay here's what i think the answers can be: the blanks in the equation: xCO2 + yH2O the reason being that any hydrocarbon gives carbon dioxide and water after complete combustion... and the x and y are just balancing acts... c)i) O2 or oxygen gas; reason being that oxygen is in excess, so...
  3. A

    bio p33 GTs...

    the thing on the slide was, but in fig 2.2, you couldn't see any spongy mesophyll... yeah everybody got a graticule it supposedly helps with drawing plan diagrams in the right proportions :/
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    Mathematics 9709 paper 12 how was it with you?

    urgh yeah now that i solve it... WHAT was i thinking during the paperrr??? kill me. that was so easy! same for the range. aarrghhh and i thought the paper went good!! well, atleast now i'm expecting less than an a. otherwise i'd have been disappointed at the time of the result :/
  5. A

    bio p33 GTs...

    @fatc0ckwannasuck lol so what did u write for the similarities and differences? @Talha: yeah it did. it was all serial dilutions and urea and urease exactly like expected. but it still sucked. :/
  6. A

    bio p33 GTs...

    no... i wrote they're both hairy and curvy... well, i wrote it in better language but still... the difference got me though... i wrote there wasn't any spongy mesophyll in fig 2.2 :P
  7. A

    New Moderator Selection!

    princess zahra!! and captain danger... but seriously, princess zahra is awesome :)
  8. A

    Mathematics 9709 paper 12 how was it with you?

    i got C(6,3) too but i don't remember the co-ordinates for A and B. and i think (6,3) is the right answer... not (3.6,1)... i didn't get stuck in that question. it was easy. i'm pretty sure it's (6,3).
  9. A

    Mathematics 9709 paper 12 how was it with you?

    my range was -1 ≤ x ≤ 7. i think this makes more sense than -1 ≤ x ≤ 3. the amplitude is 4 and it's axis is at y=3... so 3 + 4 = 7.
  10. A

    bio p33 GTs...

    it was exactly like expected! in question 2, though, what were the differences and similarities?
  11. A

    Mathematics 9709 paper 12 how was it with you?

    the f(x) ka inverse question was seriously weird. what i did was ff(x)=x so if you let f(x)=y, then y^2=x... so f inverse (x) is f(x) squared. which gave me a very weird answer that nobody else got :( how many marks was it worth anyway?
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    bio questionxxx

    lots of reasons, including the fact that there's really no cure, and no vaccines etc. the prevention methods require change in lifestyle... which requires both education and incentive... which erm aren't very common resources among us humans all over the world. and that's the other thing: it's a...
  13. A

    double circulation......

    for the double circulation question...i think the frog's is called a partial double circulation because there's no closed loop between the lungs and the heart and another between the heart and the rest of the body... like it is in humans. in the frog it's more like deoxygenated blood from the...
  14. A

    bio questionxxx

    hmm yeah makes sense :) and also because mycobacteria breed intracellularly or something so drugs aren't effective there... but i really didn't get that part...
  15. A

    Oct 02 P3 maths

    for Q5 (iii): to find the greatest value of a fraction, we need to find the least value of the denominator. so the denominator we have here is (4sinθ -3cosθ +6) which, as we found out in (i) can also be written as [5sin(θ-36.9)] so now the denominator is [ 5sin(θ-36.9) + 6 ] since the least...
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    O/N 2010 P63 Q. no.: 6 (ii) and (iii)

    for (iii): If Mrs. Brown has to sit in the front row, she can sit in three possible places out of the 14 places available so we have 3/14 The five students can sit anywhere in the remaining 13 seats to we have 5/13 If Mrs. Lin has to sit behind a student... she can sit anywhere in the last...
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    Help with Statistics Question

    actually for the first one, if u do just 9C4, it doesn't give you the right answer... you have to assume a lot of different case and all, i tried doing the same kind of question with "possesses", didn't succeed, but when i looked at the solution it was really really weird. the good news, though...
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    bio questionxxx

    inflammation of the bronchial lining occurs cuz tar's an irritant... so when it gets deposited on the lining, causes irritation/inflammation... for the combination treatment for TB: combination therapy is when more than one drugs (= combination of drugs) are used to treat TB. the reason that...
  19. A

    Math p3 help

    u're welcome! :)
  20. A

    Help with Statistics Question

    no problem :) i'm glad you actually understand what i was trying to say... :)
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