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# Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme Watch

1. (Original post by the real isa)
number 4 p^7, g^2, k^6 -5m+10 n(n+7) ( 6 marks)
number 5 is 45 (2 marks
number 6 is 90 ( 3 marks)
number 7 is no ( 5 marks)
number 8 is 64
number 9 is T=5x =20y ( 3 marks
Number 10 ia 3,4.75 ( 3 marks)
number 12 I got as 75 (3 marks i think)
number 16a i got 186 (2 marks)
number 17a I got x<7 b. w=4 (4 marks)
number 18a is a mixed fraction 4 1/3 b. 32/15 (6 marks)
20. I got 116 degrees (5 marks)
22. is x= 4/12 x=-4/12 I am certain about that did question similar to it before exam and it follows same pattern (4 marks
thats all I got
Think u got 18a). Wrong I got 2 and a fraction because it was 15 then tines that by 2 reminder what u minus

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2. That's what I did too
3. (Original post by Rajive)
Who got t= 5x + 20 y
Yeah I got that )
4. (Original post by 34908seikj)
No that's the probability that it wasn't going to rain AND it get's cancelled, or the other way around. It was 0.8*0.95 though.
ah **** i thought it said does rAIN and get cancelled ****
5. Questionnaire question-
Wants to know how many crisps people buy
His question-
How often do you buy crisps?
Choices were- often, sometimes and never

What is two things wrong with this question?(2)
Design a suitable question(2)
He asked people in his maths class why may this not be a good sample?(1)
6. Is there a google doc being uploaded or are people literally just writing their answers on here? I can't see an attachment. If there is how do I download it?
7. (Original post by 0lut0)
Think u got 18a). Wrong I got 2 and a fraction because it was 15 then tines that by 2 reminder what u minus

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Yes the mixed fraction should be 2 12/15, that's what I did at least.
8. (Original post by Frankie___)
Is this right?Attachment 538741
Yes I got that too
9. (Original post by 34908seikj)
It must be in exact form which just means surds. It doesn't need to be an integer value.
I managed to wipe out all of my surds because of using Pythagoras multiple times… slightly concerned but it was only 3 marks I guess ¯\_(ツ)_/¯
10. For the question with the answer 10-5m, is it wrong to put 5(2-m)?
11. Questionnaire question-
Wants to know how many crisps people buy
His question-
How often do you buy crisps?
Choices were- often, sometimes and never

What is two things wrong with this question?(2) options were vague and biased question
Design a suitable question(2)
He asked people in his maths class why may this not be a good sample?(1) sample not representative
12. (Original post by Str355ed)
What was the question that had 60 as the answer? Dw if you cant rememeber i was jw
Probability was 0.05 because they gave us a value of 0.95

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13. [QUOTE=0lut0;65194627]Think u got 18a). Wrong I got 2 and a fraction because it was 15 then tines that by 2 reminder what u minus

Posted from TSR Mobile[ I got the method marking right I think I just got the mixed fraction wrong so you are probs right ]
14. (Original post by 34908seikj)
No that's the probability that it wasn't going to rain AND it get's cancelled, or the other way around. It was 0.8*0.95 though.
I did 0.8 x 0.95 and got 75% as my answer. Was that right???
15. (Original post by eloisenewton_)
Yeah I got that )
16. (Original post by EzraCrowley)
I managed to wipe out all of my surds because of using Pythagoras multiple times… slightly concerned but it was only 3 marks I guess ¯\_(ツ)_/¯
Why would you use pythagorus for area?
17. Pretty sure the shaded region question was 100-25π .. anyone else get that?
18. (Original post by vrajpatel)
Q1 750cm^3
Q2 too vague and no timeframe
The class is a small sample/biased
Q3 p^7
g^2
k^6
10-5m
n(n-7)
45
90
No not enough varnish cos she needs 50cm^2 but has 37.5cm^2
60
T=5x+20y
(-3,-2)
11 females
100-25pi
36%
I compared median, IQR and range
150
7x10^8
X<7
7/5
2 4/5 in mixed fraction form
4/5
x=-0.4 and 4.4
X=-1.1 and 5.1
X=-1.7 and 4.7
Angle MST 69
Probability is 0.04
X=2&6
a+b
-a+3b
3/4(a+b) for vector
Point s is on both lines and it is point where they intersect
100,25,4
Final questions is (3-root6)/12
Can't the question about point S also be about how S splits the line OT into the ratio 3:1 (i think it's line OT, cant remember which line. i mean the one that we hadn't already been told about by the paper)
19. (Original post by 34908seikj)
No that's the probability that it wasn't going to rain AND it get's cancelled, or the other way around. It was 0.8*0.95 though.
The question said "what is the probability it does NOT rain, AND it gets cancelled" though? So it was 0.8*0.05=0.04
20. Can anyone write down the marks with the questions pls so i know what marks I think I got?

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