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# Topics for Edexcel IGCSE Mathematics A - Paper 4H: 9th June 2016

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1. (Original post by ppjk)
What did you put for the last question
a) 2q - 4p

b)q - 0.5p

c) OP = p QR= 0.5p
2. Probability with or without replacement?!? Pretty sure it was without..
3. (Original post by iamastudent101)
Probability with or without replacement?!? Pretty sure it was without..
yes it was without replacement
4. (Original post by jamesj477)
What I got for the last vector one
a) 2q-p or -p+2q (don't remember this one lol but I think it was something like this)
b) 1/2(2q - p)
= q - 1/2p
(last bit)
OP = p
QR = 1/2p
therefore OP = 2QR
so they are parallel

I put the same but I just guessed lol
5. (Original post by jamesj477)
yes it was without replacement
Thanks so it was like 3/95 or something like that rather than 1/4 from what I remember?
6. When someone has access to the paper please put up model answers like we did for 3h
7. (Original post by iamastudent101)
Thanks so it was like 3/95 or something like that rather than 1/4 from what I remember?
I'm pretty sure it was yes, I think I did something like this:

4/20 x 3/19 = 3/95
8. (Original post by jamesj477)
What I got for the last vector one
a) 2q-p or -p+2q (don't remember this one lol but I think it was something like this)
b) 1/2(2q - p)
= q - 1/2p
(last bit)
OP = p
QR = 1/2p
therefore OP = 2QR
so they are parallel
lol i got the last two questions completely wrong but everything else right! 92/100 woop A*
9. what was question 17?
10. What was the answer for Q1??
11. (Original post by aaljhfgahsj)
lol i got the last two questions completely wrong but everything else right! 92/100 woop A*
nice, is there a thread with an unofficial mark scheme? hoping for 90's which is good cause i didn't do as well in 3h
12. (Original post by jamesj477)
nice, is there a thread with an unofficial mark scheme? hoping for 90's which is good cause i didn't do as well in 3h
this is basically it;
http://www.thestudentroom.co.uk/show...rimary_content
13. (Original post by olivia20000)
What was the answer for Q1??
3n + 4
14. What was the answer to the Venn diagram qs?
15. (Original post by jamesj477)
yes it was without replacement
the first root or the propility i wrote 10/20 right ? like this pic for first root
16. (Original post by zog_r)
3n + 4
the first root or the propility i wrote 10/20 right ? like this pic for first root
17. Any predictions on the grade boundaries for paper 1, 2 and overall
18. (Original post by OHamdy)
Any predictions on the grade boundaries for paper 1, 2 and overall
I reckon it will be 80/100 for A* in each paper
19. (Original post by aaljhfgahsj)
I reckon it will be 80/100 for A* in each paper
nah 80 is definitely too high considering 3H and the last two papers were 76/100 for A*
20. (Original post by BOBQ)
nah 80 is definitely too high considering 3H and the last two papers were 76/100 for A*
Grade boundaries for A* and A please

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Updated: June 13, 2016
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