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# Worked Mark scheme for Maths Edexcel 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 CopyThat)
Omg i think i might have actually got an A!!!

(This is a big deal for me i used to be in set 4 and am currently in set 3)
Wow, that's amazing
Well done, I got an A*
3. (Original post by hamza772000)
you should definitely get 2 marks because the question was six marks and there were three formulas required SIne, Cosine and Area of a triangle, you used one which is a third of the question, so should be 2 as a third of 6 is 2.
I only used the cosine rule and got the right answer? Will i lose working marks? I felt it was quicker without doing sine ?>
4. (Original post by Tasnia'x)
Wow, that's amazing
Well done, I got an A*
you know you don't have to say your mark in every single reply...
5. For the arc length one I did 75/360 x pi x d (substituted the numbers in) did it for the big shape and small shape however didn't have time to do the last bit which was to add all the numbers up. How many marks out of 3 would that be?

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6. (Original post by 1jonam16)
I only used the cosine rule and got the right answer? Will i lose working marks? I felt it was quicker without doing sine ?>
No, of course you won't lose marks as long as you showed the correct working for your method and got the right answer in the end, you don't have to use the sine rule. But remember you have to show your way up to the answer, the examiner just needs to see how you got the answer.
7. (Original post by nega166)
you know you don't have to say your mark in every single reply...
Um.. Not necesserily, I'm just proud with what i got because I worked hard for it, other's are saying what they got.
8. (Original post by Tasnia'x)
Um.. Not necesserily, I'm just proud with what i got because I worked hard for it, other's are saying what they got.
(Original post by Tasnia'x)
Wow, that's amazing
Well done, I got an A*
You're just 1-upping him smh
9. (Original post by hamza772000)
No, of course you won't lose marks as long as you showed the correct working for your method and got the right answer in the end, you don't have to use the sine rule. But remember you have to show your way up to the answer, the examiner just needs to see how you got the answer.
For the last question I did the first step which was finding out 40 degrees and then tried to use sine rule and wrote down the equation and substituted the numbers in. However the method didn't work and before I had time to complete it I didn't have time to finish it. How many marks would that be out of 6?

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10. (Original post by DamnDaniel2)
For the last question I did the first step which was finding out 40 degrees and then tried to use sine rule and wrote down the equation and substituted the numbers in. However the method didn't work and before I had time to complete it I didn't have time to finish it. How many marks would that be out of 6?

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You got the angle so 2 marks and substituted numbers in sine rule= 1 more mark so overall 3 marks, unless you crossed out your working.

I'm not an examiner, I sat the exam as well but I do know that you do get a mark for substituting numbers in the correct formulas.
11. I think I got around 68-69 in the first paper and 75-76 in the second paper, does anybody know what that would be roughly?
12. (Original post by hamza772000)
You got the angle so 2 marks and substituted numbers in sine rule= 1 more mark so overall 3 marks, unless you crossed out your working.

I'm not an examiner, I sat the exam as well but I do know that you do get a mark for substituting numbers in the correct formulas.
I didn't cross it out haha so basically I found out 40 degrees and then wrote a/sinA = b/sinB = c/sinC then substituted in values however I only had one angle in one side and one length in the other so that didn't work haha

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13. (Original post by nega166)
You're just 1-upping him smh
Hahaha igy
14. (Original post by DamnDaniel2)
I didn't cross it out haha so basically I found out 40 degrees and then wrote a/sinA = b/sinB = c/sinC then substituted in values however I only had one angle in one side and one length in the other so that didn't work haha

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I'm sorry but I doubt you'd get the mark coz you haven't fully substituted, I hope you know what I mean.
15. (Original post by hamza772000)
No, of course you won't lose marks as long as you showed the correct working for your method and got the right answer in the end, you don't have to use the sine rule. But remember you have to show your way up to the answer, the examiner just needs to see how you got the answer.
thanks
16. (Original post by 1jonam16)
thanks
No worries, did you use the cosine rule twice? ngl That's pretty clever.
17. (Original post by hamza772000)
I'm sorry but I doubt you'd get the mark coz you haven't fully substituted, I hope you know what I mean.
Haha yh I understand

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18. (Original post by hamza772000)
I'm sorry but I doubt you'd get the mark coz you haven't fully substituted, I hope you know what I mean.
I pmed you

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19. Has anyone got the non calculator markscheme? Edexcel. Thanks
20. (Original post by hamza772000)
No worries, did you use the cosine rule twice? ngl That's pretty clever.
I just calculated B using the area formula, and then did the cosine to get the side and then used the area formula again, I felt it was a lot quicker.

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