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

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Why bother with a post grad? Are they even worth it? Have your say! 26-10-2016
1. (Original post by FinleyBarry)
thats probably a B - an A will be about 140-145
God I doubt they'll be that high, a lot of people I know don't think they managed to even get a C
2. (Original post by zeldor711)
I got 80.1? You're probably right. Did you get the other angle as 40 and side as 5.22?
I got 80.1!!!
3. Got everything there but put 30 instead of 30.1, forgot the half in 1/2absinc for the last question and got 1/3x+4 instead of -1/3x+4. Still kicking myself. HOW DO YOU FORGET HALF, IT IS A TRIANGLE. :'( But I should get above 95 due to ecf.
4. Sorry lol i don't know the grade boundaries for an A, that was just an assumption
5. (Original post by LilyKitty)
I don't think so because the angle has to be between the two sides (7 &8) for the formula of triangle area to work and x was another angle so you had to do cosine to find another side and then sine rule too before you could get x. Not sure though. xx
Yep everything you wrote is right and that's exactly what i did and my answer was 3.11
6. (Original post by Nurne)
Got everything there but... I should get above 55 due to ecf.
Pick one.
7. So for an A* what do you expect the grade boundaries to be?
8. (Original post by FinleyBarry)
So for an A* what do you expect the grade boundaries to be?
I'd say 168-170/200
9. (Original post by FinleyBarry)
So for an A* what do you expect the grade boundaries to be?
That's what I am wondering but no one's answering haha. Tbh the paper was very easy however it was a paper that you could easily lose marks and make silly mistakes and quite a lot of people did. I just hope I got enough for an A*!

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10. (Original post by LilyKitty)
I don't think so because the angle has to be between the two sides (7 &8) for the formula of triangle area to work and x was another angle so you had to do cosine to find another side and then sine rule too before you could get x. Not sure though. xx
Yep, everytning you wrote is right, but before you used cosine and sine rules you should have rearranged the formula for the area of a triangle to get sinC, and then you use cosine and sine rules. My answer for the angle was 3.11
11. Couldn't you have 2:1.5 for 8a)? It's just 4:3 divided by 2, so surely that would be its simplest form?
12. the answer was 80.4
13. This was wrong because you have found the wrong angle. In order to find the one you were looking for you would then have to use the cosine rule and the sine rule...
14. (Original post by zeldor711)
I got 80.1? You're probably right. Did you get the other angle as 40 and side as 5.22?
I got the same answers as you
15. yoo does anyone have any predictions for grade boundaries? I got between 161 and 166
16. I noticed I can do the Pythagoras theorem then do TOA to get angle x I don't remember the numbers but you did Tan to power of - 1 brackets 5/something and you get 80.1
17. (Original post by tialuan)
I got 80.1!!!
I got 80.4 and it is that many unofficial mark shcems say that, so i think you lose one mark for that question
18. did anyone get 40 on the last question and for trial+improvement x=3.7?
So confused as everyone as different answers
19. I got 18.9cm for the perimeter of the circle segment and I am pretty sure that was right. How was it that it was 28.9cm? If anyone knows the angle that was in the segment then I can try and work it out again - or alternatively if someone could explain. Thanks
20. (Original post by Meepo101)
Couldn't you have 2:1.5 for 8a)? It's just 4:3 divided by 2, so surely that would be its simplest form?
not really mate, fractions just complicates it (therefore less less simple). If you were to do it that way you'd have been more clarified with 1:0.75

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Updated: August 26, 2016
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