Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme

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Four things that unis think matter more than league tables 08-12-2016
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    (Original post by Steve191281)
    1.a) Ordered correctly with correct key b) 9/20 or 0.45 or 45%

    2. a) 30abc b) 3(y+2) c) x^2 - 3x

    3. Form equation 4x + 8 = 45 then solve for x = 9.25

    4. Divide each price by amount to show 18 bags is best value.

    5. Green = 0.09 and Red = 0.36

    6. a) 20.3 b) 68.04 c) 2.61m

    7. 3.8

    8. a) 4:3 b) 480

    9. 124 degrees

    10. 7.92

    11. £42.28 - £42.30 Anywhere in range

    12. 144 degrees

    13. Plot (-2,-1) (-1,3) (0,1) (1,-1) and (2,3)

    14. 3 metal bars

    15. £7766.22, so no it has not lost half it's value, it has lost £7233.78

    16. a) Median = 128 b) IQR = 11

    17. 30.1 degrees (1dp)

    18. a) 10a^5b^4 b) y = 5p^2 - x

    19. 11

    20. x = 0.29 or x = -2.29 (2dp)

    21. 29.25

    22. 41.9

    23. correct histograms with FD of 1.6, 3.2, 2.4, 1.8 and 0.3

    24. a) -1/(3x+4) b) 2x/(x^2-1)

    25. 80.4 degrees
    Sorry to be a pain but can you do a similar post but include what the total marks were for each question 😬 I would really appreciate it!
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    (Original post by Steve191281)
    I have all answers to Edexcel questions if people want to know them?
    Please could I have them
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    Can someone remind me what question 22 was please?
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    (Original post by OllieBiggs)
    Please can you make a separate thread with a picture to the paper
    Not allowed to show the paper I'm afraid sorry. Something to do with copyright.
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    Any ideas on what you need to get overall to get a C? I think I got around 37 marks on the first way, and I'm scared I didn't get enough in paper 2, even though it was an "easy" paper
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    What were the total marks for each questions?
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    (Original post by Razzy1028)
    Please could I have them
    I've posted them yeah
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    thats amazing thank you so much!! what were question 10 and 22 about btw I've forgotten?
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    (Original post by L819)
    Can someone remind me what question 22 was please?
    Area of a sector, one with radius 6cm and other with radius 10cm, angle of 75 degrees
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    (Original post by Str355ed)
    thats amazing thank you so much!! what were question 10 and 22 about btw I've forgotten?
    10 was finding mean from grouped frequency and 22 was finding the difference in area between 2 sectors
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    (Original post by Steve191281)
    I've posted them yeah
    k hi thanks al lot for that. Sorry but could you please add how many marks each anwser was next to it 😊😊
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    (Original post by Steve191281)
    Area of a sector, one with radius 6cm and other with radius 10cm, angle of 75 degrees
    Wasn't it perimeter?
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    (Original post by Steve191281)
    10 was finding mean from grouped frequency and 22 was finding the difference in area between 2 sectors
    Q22 was the perimeter of the shaded segment.


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    (Original post by L819)
    Wasn't it perimeter?
    It was perimeter
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    (Original post by Speedbird129)
    It was perimeter
    Yes sorry I must read the question!
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    All you had to do was work out the perimeter of the small and big arc. The lengths on the side were given as 4cm.
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    Question 22 was Perimeter I'm sorry for the mistake!

    The answer was 28.9cm
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    (Original post by Steve191281)
    10 was finding mean from grouped frequency and 22 was finding the difference in area between 2 sectors
    22) Wansn't it finding the perimeter of the shaded area ?
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    what was the answer for 22 meant to be???
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    http://mrkibria.weebly.com/gcse-2016-paper-2.html
 
 
 
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