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Edexcel A2 C4 Mathematics June 2016 - Official Thread watch

1. (Original post by Smithy1597)
How many marks would i lose for finding theta instead of leaving it as costheta = but i had stated that before
None.
2. (Original post by Tobi100)
What was lambda?

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I got 8
3. (Original post by torty40)
Would I still get the answer mark for leaving my answer to question 4a as lnx = ln60 -2.5t??? dont know why i didnt go the step further tbh
Unfortunately it said simplest form You'd lose 1 mark.
4. Can someone please explain how you were supposed to do question 3
5. did anyone get lambda as 8?
6. (Original post by Princepieman)
****ed it. Went to blow my nose for 2 minutes cuz of hayfever but ended up running out of time for the latter half of q8 - which means 10 marks down the drain. Also didn't finish the trig question so 1 mark lost. Overall looking at 64-65/75.

My offer requires an A* in Maths but with only 63-64/65 in C4 and 65-66/75 in C3 doesn't look likely.

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Hayfever is truly the killer of dreams

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7. (Original post by Princepieman)
****ed it. Went to blow my nose for 2 minutes cuz of hayfever but ended up running out of time for the latter half of q8 - which means 10 marks down the drain. Also didn't finish the trig question so 1 mark lost. Overall looking at 64-65/75.

My offer requires an A* in Maths but with only 63-64/65 in C4 and 65-66/75 in C3 doesn't look likely.

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I feel you
8. (Original post by ryanroks1)
Would 71 on C3 and 68 on C4 be A* overall do people think?
yeh i think u'll get it b/c 71 marks is usally around 94/95 ums
9. I did the answer to the rates question to the nearest minute but i did hours and minutes...10 hours and 33 minutes, would i lose a mark? technically its to the nearest minute
10. Ran out of time on last vectors question! potential mark breakdown for that question??
11. How many marks was the trapezium rule question (just part b)?

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12. I'm retaking the year
13. (Original post by Princepieman)
****ed it. Went to blow my nose for 2 minutes cuz of hayfever but ended up running out of time for the latter half of q8 - which means 10 marks down the drain. Also didn't finish the trig question so 1 mark lost. Overall looking at 64-65/75.

My offer requires an A* in Maths but with only 63-64/65 in C4 and 65-66/75 in C3 doesn't look likely.

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Should have spent more time revising
14. For the volume I got volume=554pi -1204pi/5 = 1696pi/5 ??

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15. Is it possible to get at least a B in maths, I get an A for C1 and C2, B for S1, D1 and C3 and a C in C4?
16. (Original post by Jg345&&)
You mean question 7? It wasn't a cylinder because it was curved at the end
It was a cylinder. Area S was equal to the cylinder volume - the area under the curve.

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17. We left the EU, that's my reason for not completing the paper to a good standard
18. (Original post by TSRPAV)
I did the answer to the rates question to the nearest minute but i did hours and minutes...10 hours and 33 minutes, would i lose a mark? technically its to the nearest minute
The mark scheme typically allows answers in hr:min form to the nearest minute.
19. (Original post by flairs)
Should have spent more time revising
Wtf, it was a timing issue not a knowledge one. Get outta here with that pompous attitude
20. (Original post by CurrentFlow)
Yes, but i use volume of cylinder for height =17/2 + 1/2 = 9 Vc= pi(8)^2x9 = 576 pi and then i integrated between 17/2 and 1/2 and then subtracted the values. Is this wrong?
(Original post by riffy123)
I did that too and it must be right!
No it isn't right. You're not supposed to add 1/2 to the 17/2. The 17/2 is the height

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