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    Trial and improvement was 3.8 fam, btw for the probability in the stem and leaf question, would you get a mark if you put 9/20??? I didn't leave it as a percentage or 45/100


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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) 9/20=
    0.45
    2a. 5a*2b*3c =
    30abc
    b. Factorise fully 3y +6 =
    3(y+2)
    c. Expand x(x-3)=
    x^2-3x
    3.
    x=9.25
    4. Smallest packet was best value for money because it was cheapest per bag of crisps
    5. 4 times as many red than green: There were 0.4 blue and 0.15 yellow.
    0.4+0.15+4x+x=1
    0.55+5x=1
    5x=0.45
    x=0.09
    4x=0.36
    Green- 0.09 Red- 0.36
    6a. 20.3
    b. 68.04kg
    c. 2.61m
    7. 3.8
    8a. 4:3
    b. 480 pixels
    9.x= 124 degrees
    10. 7.92
    11.£42.29
    12. x=144 degrees
    13.
    -2 -1 0 1 2
    -1 3 1 -1 3
    Draw curve
    14. 3 Bars
    15. No, because 7766.22 was greater than 7500 pounds
    16. 128g
    b.11g
    17. 30.1
    18. 10a^5b^4
    b. y= 5p^2-x
    19.11 males
    20. x= 0.29 or x= -2.29
    21. 29.25
    22. F.d- 1.6, 3.2, 2.4, 1.8, 0.3
    23.28.9
    24a. -1/3x+4
    b. 2x/(x+1)(x-1)
    25. 80.4
    Question 15 did not equal to £7766.22
    Because 1st year depreciated by 23%
    so 0.77 x 15000 = £11550
    then after the 1st year it was 18%
    so 0.82 x 11550 = £9471
    therefore no it was not more than half
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    What was the question number for the perimeter of the arc?
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    (Original post by Resty)
    probably 67 for an A, maybe 83 for an A*
    That's what I was thinking, but isn't it true that the grade boundaries could be high? I really want an A and I think I got 72 on the non-calculator paper so how much do you think I would need on this one?


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    (Original post by abbeyak)
    What was he 126g and the 11g question for?
    The median and IQR of the cumulative frequency graph.
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    (Original post by EdanBrooke)
    Yeah didn't do curves. Damn.
    It's okay!! You'll only lose like 1mark :P you'll get a mark for the correct table
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    I actually did alright to be honest, hopefully will bring up my grade from the non calculator paper
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    (Original post by Disfuligee)
    15000*0.77*0.82*0.82=7766.22

    This is the correct answer so Paul is wrong
    yep i got the same on 7762
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    (Original post by Roquebrune2014)
    I don't understand why ppl don't simplify the fraction? You have a calculator? All you had to do was hit sd


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    Jesus christ i studied with 3 children as a single mum for 30 lesson . I cant believe i didnt lol . Did it say to do so ?
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    what will the grade boundaries for a B be
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    On 6b with the 68.04kg. Will I get it right because I rounded it down to 68kg?
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    What was the question number for the Cumulative Freqency graph?
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    (Original post by Yasiin2000)
    What number was the circumference perimeter question?
    i got like 28.9 or something
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    Did anyone else get 396 (or around there) at some point during the pentagon question?

    I did the exterior angles, then the interior ones. Calculated the two interior angles at the bottom, and the two right angles on the symmetrical lines (I think they were right angles)

    Finally did 540 - 396oraroundthere
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    (Original post by niichola.)
    Question 15 did not equal to £7766.22
    Because 1st year depreciated by 23%
    so 0.77 x 15000 = £11550
    then after the 1st year it was 18%
    so 0.82 x 11550 = £9471
    therefore no it was not more than half
    The question said after three years, so the value decreased by 18% again, leaving it as £7766.22, although this is still more than half of £15000.
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    (Original post by 9091student)
    how many metal rods was it?? i got bloody 31 idek if thats even right, i just used mass/volume=density don't tell me that was wrong loooool
    It was 3 metal rods 😅
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    49 on the non calculator paper counted around 55 on here will that get me a B do you think guys?
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    (Original post by epage)
    For the trial and improvement one my few ids were saying they got 3.7 but I got 3.8 and I was 100% sure that was right?


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    Its 3.7 not 3.8, in the exam i took them away from the needed number and 3.7 was like 3 tenths closer to it than 3.8
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    wtf was question 16 again?
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    What are the total marks for each question?
 
 
 
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