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  1. Mayisha M

    Chemistry M/J 2015 Paper 52

    Btw, thanks for this. You are a lifesaver man :)
  2. Mayisha M

    Chemistry M/J 2015 Paper 52

    Omar Haider can you post a picture of the solved sum, please? Thanks a tonne.
  3. Mayisha M

    Help needed! tough 9709 S1 problem!

    Can anyone help me with this sum, please? It's from o/n/09-62. I attached the mark scheme for your convenience :) Please help with number (ii)
  4. Mayisha M

    Mathematics: Post your doubts here!

    Someone help me with this S1 problem. It's from O/N/13 - 61. I solved it (attached the picture) - my distribution for X is wrong; can someone please explain why the distribution for X is lower than that for Y? I attached the markscheme screenshot too, haha. Please help!
  5. Mayisha M

    In a coat of gold or a coat of red a lion still has claws..

    In a coat of gold or a coat of red a lion still has claws..
  6. Mayisha M

    PHYSICS PAPER 5 SOLVED PAPERS!!!

    The answers are excellent, but please increase the contrast of the pictures? Because they're written in pencil and it's hard to read! Thanks :)
  7. Mayisha M

    Mathematics: Post your doubts here!

    Well you differentiate it like you normally would with an implicit function, until you get an expression which is probably x^2+y^2 = 1. I'm not sure, did this a few days ago haha. Then rearrange to get x^2 = y^2 - 1, and substitute this equation in the initial equation that you'd differentiated...
  8. Mayisha M

    Examiner's Reports 9701 Chemistry

    I can't access papers.xtremepapers.com Can someone please post the examiner's reports for all the years in chemistry here? :( They're useful. Help!
  9. Mayisha M

    Is something wrong with papers.xtremepapers.com?

    For quite a few weeks now I can't access the papers website. Is this a problem only I am facing or is it in general a website bug? Please let me know, thanks :)
  10. Mayisha M

    Chemistry: Post your doubts here!

    The formula for Kc is Kc = ([H+][anion])/[acid] I'm not entirely sure what kind of math you're stuck in but if you post the question, I might try to solve it for you.
  11. Mayisha M

    Post your AS-Level Mathematics (P1 and M1) doubts here.

    Hi, I have this problem in o/n/41 number 6 which seems like a different sumwhere you have to use ratios to determine the height. Could you help me understand this? Thanks.
  12. Mayisha M

    Computing 9691 AS Level Discussion - Explanations needed

    Hey guys. So there wasn't any open thread on computing problems, so I had to post one. Could someone explain sequential, indexed sequential and random accessing to me? For these organisations please explain -how files can be accessed, and -how adding new records, or deleting existing...
  13. Mayisha M

    Physics: Post your doubts here!

    Because B is farther away from the nucleus. It's farthur away so the repulsion will be less with the nuclus. Hence less deflection. The deviation angle will be smaller. :)
  14. Mayisha M

    Physics: Post your doubts here!

    Yes I do. Which page?
  15. Mayisha M

    Physics: Post your doubts here!

    Hi :) This is really easy, you just have to understand that it's a curve and you can't use definite shape areas to calculate the distance travelled. You use this process called counting squares, which the mark schemes use as well. E.g. just count the number of complete 10×10 squares that are...
  16. Mayisha M

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w13_qp_21.pdf Someone help me understand question 5 (a)(ii) where they ask you to find the amplitude? I've solved like tonnes of papers and never saw sth like this -.- Please help. Also, if...
  17. Mayisha M

    How did your Biology Paper 12 go?

    I hope the grade boundary isnt too unforgiving. 4-5 were confusing :( What was the answer to the first question btw? The magnification-resolution thing? I gave ×400, cause it seemed right, images get blurrier when magnifications increases right? Im so confused. and is ×1500 possible with a LM?
  18. Mayisha M

    A level Biology: Post your doubts here!

    No, triglycerides are not hydrophilic because the Carbon-Hydrogen bonds are non-polar. They're hydrophobic. Phospholipids are hydrophilic. They have polar phosphate groups. Hope that helps :)
  19. Mayisha M

    A level Biology: Post your doubts here!

    Typical plant cell - 40 micrometers.
  20. Mayisha M

    A level Biology: Post your doubts here!

    Hey Im so sorry, I mistakenly wrote 14. Number 15 please? Explain?
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