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Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

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

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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

(edited 7 years ago)

Probability with or without replacement?!? Pretty sure it was without..

Original post by iamastudent101

Probability with or without replacement?!? Pretty sure it was without..

yes it was without replacement

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

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?

When someone has access to the paper please put up model answers like we did for 3h

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

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*

what was question 17?

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

What was the answer for Q1??

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/showthread.php?t=4152813#primary_content

Original post by olivia20000

What was the answer for Q1??

3n + 4

What was the answer to the Venn diagram qs?

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

Original post by zog_r

3n + 4

the first root or the propility i wrote 10/20 right ? like this pic for first root

Any predictions on the grade boundaries for paper 1, 2 and overall

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

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*

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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