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# Edexcel A2 C4 Mathematics June 2015 - Official Thread watch

1. ohhhhhh. Worked super hard, had chances of an A* before today. Made the stupidest mistakes everywhere. Im going to cry
2. Did anyone got a maths error or that population question which sinx and atuff

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3. (Original post by Plutoswrath)
I got 75/75 for C4 and 60/75 for C3 can I get an A*?
You can as long as the A grade boundary for c3 is 60 or lower. It wilł be quite tight

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4. (Original post by Mishy96)
http://m.imgur.com/a/OMb2o

Not Arsey but still good enough aha
i think question 2 part a is wrong
5. Loads of people are saying what they got in C4, but I can't find Arsey's answers anywhere?
6. (Original post by a.a.k)
Did anyone got a maths error or that population question which sinx and atuff

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You had to change the 4000 to a 4 as it said in the question p was population in thousands

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8. (Original post by TSR*******s)
is it rohan'1811' for the number of times you take it up the arse daily?
Gonna rep you for the name. LOVE IT
9. (Original post by tinoah)
I found it much harder than C3 but most people thought this was alright so grade boundaries will probably be average
People are crazy

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10. (Original post by Follett)
You had to change the 4000 to a 4 as it said in the question p was population in thousands

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Oh alright.

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11. (Original post by Follett)
You can as long as the A grade boundary for c3 is 60 or lower. It wilł be quite tight

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(Original post by Kill3er)
Yes, assuming at least 480 overall.
Thanks guys
12. Think I'm on:

C1 - 75
C2 - 75
C3 - 65
C4 - 73
S1 - 72

Still waiting for S2 on Monday. Should I be on for an A*?
13. Is there an unofficial ms?

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14. (Original post by Plutoswrath)
I got 75/75 for C4 and 60/75 for C3 can I get an A*?

if 60 is an A yes, but if its 61 or 62 for an A then nah
15. (Original post by a.a.k)
Did anyone got a maths error or that population question which sinx and atuff

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I got that at first, but P=4 not P=4000! it told you P was in thousands
16. did no one think that in q2b there was actually 4 co-ordinates? because there are two coordinates for each x value that you find out. When you sub it back into the equation to find y, because its quadratic you get 2 different answers. therefore for x coordinate 24/5 there are two ys and for -24/5 there are also two ys

?????
17. got 57 raw marks in c4, not sure what grade that is tho
18. (Original post by xKay)
lose one for accuracy
even though if the question didnt specify to put it in fraction or decimal. my decimal answer was the exact same as the fraction. Gutted if it doesnt count though
19. What does everyone think the grade boundaries will be?
20. (Original post by Yua)
if 60 is an A yes, but if its 61 or 62 for an A then nah
Sucks probs resit C3 next year then

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