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    7
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    when is the leaked paper and solutions coming
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    Interquartile Range for the graph question was 11
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    I got 79.9 for the last question and in checking it worked for the area?? Would I get any marks?
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    (Original post by ruadb0y)
    For the stratified sample did anyone else get 11?
    I got 10 because you can't have 10.8 people
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    Just realised i put 30 bars instead of 3 - how many marks would I be likely to get for this question? I wrote 3 down, and just screwed up what i put in the answer box
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    wheres mr kibria? or whatever his name is
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    (Original post by danv)
    It was 3 s.f. wasn't it?
    yeah don't you skip the zero?
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    (Original post by Benb2000)
    I got 80.4 but don think it's right
    That's what I got. I think it is
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    [QUOTE=Purpleunicorn197;65593875]Hi I'm going to start and unofficial markscheme so add your answers
    Reps are not necessary but would be appreciated

    It would be really useful if you could remember the question numbers
    1. Order numbers correctly and include a key
    b) 0.45
    2a. 30abc
    b. 3(y+2)
    c. x^2-3x
    3. Smallest packet was best value for money because it was cheapest per bag of crisps
    4. Green- 0.09 Red- 0.36
    5. Ratio 4:3
    b. New height 480
    6. x= 9.25
    7a. 20.3
    b. 68.04kg
    c. 2.61m
    8. 124 degrees
    9.
    10.-
    11.
    12. 30.1
    13. 3.8
    14.
    15.-17.8764864346
    16.
    17.-
    18.
    19.-
    20. x= 0.29 or x= -2.29
    21. 144 degrees
    22. F.d- 1.6, 3.2, 2.4, 1.8, 0.3
    23. -1/3x+4
    24. 2x/(x+1)(x-1)
    25. 40.0
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    (Original post by BlizyBoy)
    wheres mr kibria? or whatever his name is
    Idk where he is but he needs to come ahhhhhh
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    (Original post by Chloetbqh)
    OH yeah I got 124!
    I got 126

    (5-2)*180/5

    Then that divided by 2 to get 54 and 54
    360-108/2= 126??

    Not sure
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    (Original post by MovedMasterMike)
    I got 10 because you can't have 10.8 people
    You can round up.
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    (Original post by s_ovo)
    HIGHER PAPER : Angle question find x
    with parallel lines forgot what number it was
    124
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    (Original post by thomas-cowley)
    Oh f**k, I got 47.5! How did you get that? I used 1/2absinc, cosine rule and then sine rule - and triple checked it
    I did: 0.5 x 8 x 7 x sin(c) = 18
    18/0.5 x 8 x 7 = sin (c)
    so sin-1(ans.)=40.005

    Then I used the cosine rule to find side c which = 5.22 or something

    Then I used the sine rule to find x:

    sin(x)/8 = sin(40.005)/5.22
    sin(x) = sin(40.005)/5.22 x 8
    sin-1(ans.)
    =80.4.

    I can't remember exactly which sides were which, but that was the general method and answer I got
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    how did everyone get their answer to the last question? because i used the cosine rule and the sine rule, so wondering if theres a simpler way.
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    For the ratio question I wrote in my working out 4 : 3 but on the answer line I wrote 4/3, will I still get full marks on that question?
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    (Original post by MovedMasterMike)
    I got 10 because you can't have 10.8 people
    It's 11 because 10.8 rounds up not down
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    (Original post by mRubern)
    I put 30 for the trigonometry one would i get the marks? also what did everyone get for changing the subject?
    y = 5p^2 - x
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    Could anyone tell me what the question was for the bounds? I forgot what I put
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    (Original post by Purpleunicorn197)
    Hi I'm going to start and unofficial markscheme so add your answers
    Reps are not necessary but would be appreciated

    It would be really useful if you could remember the question numbers
    1. Order numbers correctly and include a key
    b) 0.45
    2a. 30abc
    b. 3(y+2)
    c. x^2-3x
    3. Smallest packet was best value for money because it was cheapest per bag of crisps
    4. Green- 0.09 Red- 0.36
    5. Ratio 4:3
    b. New height 480
    6. x= 9.25
    7a. 20.3
    b. 68.04kg
    c. 2.61m
    8. 124 degrees
    9.
    10.-
    11.
    12. 30.1
    13.-
    14.
    15.-
    16.
    17.-
    18.
    19.-
    20. x= 0.29 or x= -2.29
    21. 144 degrees
    22. F.d- 1.6, 3.2, 2.4, 1.8, 0.3
    23. -1/3x+4
    24. 2x/(x+1)(x-1)
    25. 80.4
    23) was 3-x/(x-3)(3x-4)
 
 
 
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