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# Edexcel IGCSE Mathematics A - Paper 3H - 2016 - Unofficial Mark Scheme Watch

1. i got 205 for the last q. oops. lol
2. (Original post by gameofno)
oh crap. whats an A
Usually around the 65 mark however I think it will be a bit lower for this paper. Perhaps 59.
3. (Original post by CTID17)
that's all I know
Thanks!!
4. For the graph the x values were: -11, -8, -5, -2, 1, 4
5. (Original post by lattu27)
Yes, fractions are fine
i got 144 over something does that sound right ?
6. question 3 was 38
7. (Original post by salty670)
i got 144 over something does that sound right ?
I got 25/84 which I'm pretty sure is right
8. (Original post by HKHASSAN)
May I add that the solution to the equation 2x^2 - x - 120 = 0 is that x = 8, not x = -7.5 as it is length so it cannot be negative.
yes i worked out the 2 number then i chose 8 !
9. what was the vase , i think i put down 300 but most likely wrong
10. (Original post by salty670)
what was the vase , i think i put down 300 but most likely wrong
The Vase was 102.4 cm squared
11. (Original post by WhiteX)
yes i worked out the 2 number then i chose 8 !
oops how many marks will i lose if i put both numbers?
12. (Original post by gameofno)
oops how many marks will i lose if i put both numbers?
probably only one along as you showed the working i.ie the quadratic formula
13. (Original post by salty670)
probably only one along as you showed the working i.ie the quadratic formula
okayy thank god!
14. the simulatenous equation question number was not 20, it was 13!
15. Can anyone do one of these for foundation tier pwlase
16. what do you guys reckon the boundaries will be lie , most people found it hard in my school , hoping its around 75 for an A*
17. (Original post by salty670)
what do you guys reckon the boundaries will be lie , most people found it hard in my school , hoping its around 75 for an A*
Only the last questions were hard though imo.
18. There was one question about a cuboid and the angle AH makes with the base.....can't remember what i got exactly but i think it was like 62.5 or something around that
19. I got something like 102.4 for the vase, but how can the surface area be less than be volume? I was so confused. Pretty sure I was right, you square root the scale factor then cube it and divide.
20. (Original post by fuzi8n137)
I got something like 102.4 for the vase, but how can the surface area be less than be volume? I was so confused. Pretty sure I was right, you square root the scale factor then cube it and divide.
Surface area is cm2 and volume is cm3, right?
So volume must be bigger because you cube it whereas for surface area you square it.

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