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# UNOFFICIAL MARKSCHEME Edexcel Maths Calculator paper 09/06/2016 Watch

1. (Original post by Sowphie)
I did it, is there a mark scheme for it?
not that i know of
2. I got around 160/200 overall - what grade do you think this is?

I'm thinking its a high A or low A* depending on grade boundaries.
3. I got roughly 54 in this paper and about 55 or 57 in the other,what grade would this be overall
4. (Original post by Fez_Shabbir)
not that i know of
The bars question is 3 not 34 though
5. (Original post by harryail)
I got roughly 54 in this paper and about 55 or 57 in the other,what grade would this be overall
I would assume a B, as I believe last year it was 98 for a B
6. Anyone got the foundation paper mark scheme? I and everyone else doing foundation would highly appreciate it. Cheers
7. For question 1b would I still get the marks for 9/20? I did put it as a percentage too but I only put 9/20 in the answer box.
8. Heey,
I got exactly the same... please explain it if 40.0 was wrong
I rearranged the formula?
9. Can anyone show me the work solution for question 20? 3x^2+6x-2
10. can someone explain question 15, the car depreciation as i got the answer as yes?
There will be a range for Q25 considering the values were very long and many people might have rounded and not typed the whole version in. Plus different calculators will cut the answer off. I got 80.4 but there will be a range.
Yeah I used the answer button and wrote down one other working fully. My final calculator answer was 80.4755... To three significant figures it's 80.48 as the 0 is not a significant figure.
12. Hoping boundaries are low. A* may go up to 160+ but hoping it stays low.

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13. Anyone got foundation mark scheme?
14. I had 0.22 as well!!

QUOTE=Gamer_44;65593879]Might be wrong, however, I think it may have been the small packet as the unit cost was something like 0.22222 whereas the others were higher?[/QUOTE]
15. (Original post by Nortexg)
Yeah I used the answer button and wrote down one other working fully. My final calculator answer was 80.4755... To three significant figures it's 80.48 as the 0 is not a significant figure.
0 is considered a significant figure when between digits. However, you would not be penalised for leaving the answer to 2dp.
16. (Original post by Fez_Shabbir)
who done foundation ?
Me
17. (Original post by Maphec)
can someone explain question 15, the car depreciation as i got the answer as yes?
what was ur answer? I got the right answer but i wrote yes for some reason, lol, silly me. but if you made the same mistake its because 7500 and under would mean the car depreciated by 50% as it costed 15000. If it was over this price, it was not as low as half yet.
18. such an easy exam- the grade boundaries should be high
19. (Original post by thomas-cowley)
Oh f**k, I got 47.5! How did you get that? I used 1/2absinc, cosine rule and then sine rule - and triple checked it
Basically in the area of a triangle, the angle has to 'connect' the 2 lengths...

So it gave B-A = 7cm B-C = 8cm Find angle BAC

Since this didn't connect the lengths, we had to find another length, or angle... Length was the easiest

1/2 abSinC = 18
(8*7*sinC)/2 = 18
8*7*sincC = 36
Sin^-1(9/14) = 40

Then cosine rule
A^2 = 8^2 + 7^2 - 2*8*7 * cos40
A = 5.215651673

Then sine rule
A (from above) / sin40 = 8 / sinx
8(sin40) / A = sinx
X = sin^-1 (8(sin40) / A)
X =80.37
X = 80.4

Hope that helped! Even though it's a bit late now
0 is considered a significant figure when between digits. However, you would not be penalised for leaving the answer to 2dp.
Thanks, before the exam I researched significant figures and it was more complicated than I thought depending on the scenarios and stuff. Hopefully like you said they'll accept my answer, otherwise I can say good bye to the 100/100 dream.

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