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Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme

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1. Wasn't the probability tree 0.8 x 0.95? Some people are saying 0.8 and 0.04?
Can someone remind me what Q18 was?
2. (Original post by jamesM22)
Is it for question3 if i answered, some people may interpret answers as being different from others and some people may never eat crips.
Yeah that's what I put.
3. My predictions for grade boundaries (I've tried to look at the jumps between 2010-2015)

A*- highest the boundaries could go: 165-168/200
A*-lowest grade boundaries could go: 160-162/200

It is unlikely they will keep it around 155 like last year my personal thought because the test was doable

A-highest the boundaries could go: 133-136/200
A- lowest the boundaries could go : 128-132/200
4. (Original post by grace143)
You know question 14 - the one that was 100-25π - the question said leave your answer in its simplest form. I'm just wondering, were we supposed to put 25(4-π) ? Or is it "simpler" to put 100-25π ?
Good question. If anyone could answer this, it would be appreciated.
5. Yes u downs, cuz u don't add a different terms
6. (Original post by mrpaper)
Wasn't the probability tree 0.8 x 0.95? Some people are saying 0.8 and 0.04?
I got 0.8 X 0.95 = 0.76
7. Exactly, same here
8. are we sure that Question 22 was asking for the angle at the base of the angle?
9. Could you please post the foundation paper mark scheme on this thread? Thanks 😀
10. What was question 7 which answer was a coordinate (-3,-2) I think? Like what was the q about ????
11. (Original post by Lucy.Brown)
Yeah that's what I put.
12. did u guys find it hard or was it easy.. wanna predict the outcome of the grade boundaries
13. (Original post by RedPeacock)
For the circle/shaded square area question (Answer currently on unofficial mark scheme as 100-25pi, however in I factorised it to it's simplest form as the question asked and ended up with 4-pi
i got 100-25pi then i simplified it to 5(20-4pi)
14. (Original post by gcseexamz)
What was question 7 which answer was a coordinate (-3,-2) I think? Like what was the q about ????
It gave you a line, with the mid point and the co ordinate A which you had to use to find B.
15. (Original post by ribblebubble)
It was a right angled triangle with the sides attaching to the right angle both being 'square root 2' / 2. Then a shaded portion inside the right angles triangle making a thin triangle on the hypotenuse if that makes sense. The length of the side minus the base of the shaded triangle was 'square root 3' /3. Then it asked for the exact area of the shaded triangle.

You don't need there hypotenuse for that question.

The large triangle was 1/2*√2/2*√2/2 = 2/8 = 1/4
The small triangle was 1/2*√3/3*√2/2= √6/12
Large triangle - Small triangle = gray area
1/4 - √6/12 is equivalent to (3 - √6)/12
16. If I got 40 marks on this paper would that be a c or would I maybe get a b??
17. (Original post by Lewis__F)
are we sure that Question 22 was asking for the angle at the base of the angle?
It was looking for the angle near the bottom yes, touching the tangent and the right side of the triangle
18. what do you guys think will be marks to get an A with both papers?
19. what do you think it will be to get a b
20. (Original post by pinkgrapefruitj)
If I got 40 marks on this paper would that be a c or would I maybe get a b??
Definitely a C, if you want a B aim for the high 50s in the second paper. You can do it

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