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Recent content by Silver Wing

  1. Silver Wing

    Edexcel January 2013 Question Papers (ALL GCE)

    Hope that you have got straight A*s
  2. Silver Wing

    Edexcel January 2013 Question Papers (ALL GCE)

    For what exams have you appeared in Jan 2013
  3. Silver Wing

    Edexcel January 2013 Question Papers (ALL GCE)

    Please, can you upload link for edexcel IGCSE accounting for jan 2013 question paper and markscheme, please, thanks in advance
  4. Silver Wing

    Mathematics: Post your doubts here!

    The real numbers are all the numbers including rational and irrational ones, however they do not include imaginary numbers. These are square root of negative numbers, they include the symbol "i" equivalent to square root of negative one, they do not exist as cartseian coordinates and a graph...
  5. Silver Wing

    AS Biology help!!

    The answer is C This is the energy used for growth as the plant has to photosynthesise to grow Hope this has helped ;)
  6. Silver Wing

    Mathematics: Post your doubts here!

    P(T=A) = P(T=B) = P(T=C) = 1/3 Options avalible are: A, p = 1/3 BA, p = 1/6 CA, p= 1/6 BCA, p = 1/6 CBA, p = 1/6 Construct a prabability density function table: x * 2hrs * 5hrs * 7hrs * 10hrs * P(T=x)* 1/3 * 1/6 * 1/6 * 1/3 * E(X) = sigma(xp) = (2* 1/3)...
  7. Silver Wing

    :)

    :)
  8. Silver Wing

    Hi

    Hi
  9. Silver Wing

    Mathematics: Post your doubts here!

    Thats right, but the stationary point in a Quadratic curve gives you either max or min point on it and this is where our range starts. Hope I have helped you. ;)
  10. Silver Wing

    Mathematics: Post your doubts here!

    1) calculate the first derevative of the function 2) equate it to zero 3) find the X- value and this the the x-coordinate of the maximum or the minimum of the range 4) find the second derevative of the function and substitute the x value if needed, if its -ve, y is at max for value of x found in...
  11. Silver Wing

    How was Math Paper 62

    I think all your answers are correct and for the last question, You are given P(X=9) and all what you need is to calculate the P(product of 3 scores = 16) and multiply it by the later one and state that this is not equal to their intersection
  12. Silver Wing

    How was Math Paper 62

    And after you have seen the answers, What do expect your mark to be. And by the way How was you Pure 3 paper
  13. Silver Wing

    Mathematics: Post your doubts here!

    The reason for why its 5 for students is the question: What is the diffenerce if there was 1 student instead of 5? The 5 came from (5 combination 1) the number of ways by which the student sitting in front of Mrs. Lin is Chosen from the five present Hope it helps, ;)
  14. Silver Wing

    Maths p32 how was it?

    too bad
  15. Silver Wing

    Maths p32 how was it?

    Well guys lets review the answers
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