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UNOFFICIAL MARKSCHEME Edexcel Maths Calculator paper 09/06/2016

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1. The mean question with the grouped frequency table was 7.29 or something around that
2. (Original post by blueribbons99)
I think highest they have been we're 169

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Hope they don't increase from that because I think I got around that D:, but thanks
3. (Original post by GFH_Ginger)
i was telling him an a so he knows what he didn't get i'm not calming him own i'm just saying. sorry for any inconvenience. btw WTF is your signature you freak
An A will be 130/131
4. (Original post by ScrewTheExams)
what was the angle in the question on the diagram?

I know one of my answers was either 16 or 31 and the other one in the question was 31 or 16.

I think i messed up and got 16 :/
It was 30 degrees but you had to find the angle of the whole of that angle which worked out as 60.07...... or something like that, and then you subtracted 30 from it, then rounded it to 3 sig
5. (Original post by hentaiqueen)
nooo you can't cancel it, 3-x isn't the same as x-3 that's like saying 3-5 is the same as 5-3

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You can if you take out -1 from the top
6. (Original post by SalopJack)
Nope.

what you do is make x= 3.75 and if it is below 34, which it was you round the number up as you know that x is larger than 3.75 but lower than 3.8. any number above 3.75 rounds up to 3.8.

Because there is a smaller difference it does not mean that it is right as the difference is smaller as it does not increase at a constant rate. the number increases increasingly.

3.75 was correct however the question stated 1.dp so =3.8
7. (Original post by paynay)
i think i got around 73 on paper 1 and 85 on paper 2- what grade would that be
An A possibly an A* if grade boundaries go up to 160 at the highest i actually pray they do
8. (Original post by boffer)
no one you ****ing retard
HAHAHAAHAHAHAHAHAHAHAHAHAHAHAHAH AAHAHAAHAHAHAHAHAHAHAHAHAHAHAHHA HAHAAHAHAHAHHAHAHAHAAHAHAHAHAHAH AHAHHAHAHAHAHAHAHAHAHAHAHAHAHAAH AHHAHAHAHAHAHAHAHAHHAAHAHHAHAAHA HAH

Mugged
9. (Original post by junayd1998)
That is true i done the angle as 40 degrees really the question should of said give solutions to 3sf or w.e but we should be able to pick up at least 5 marks right?
I honestly think (and hope) they'll accept a range of 81.1 - 81.4 because they are sometimes lenient with rounding in calculations (to 2/3 dp/sf)

Hopefully we'll get 6 marks :x
10. (Original post by Arisole)
The mean question with the grouped frequency table was 7.29 or something around that
yes I got something like that

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11. Anyine get 2.29 and -0.29 for quadratic??
12. can you include the marks that were available for each question aswell please
13. What did people get for the parallel line question?
14. (Original post by mattedwards8972)
It was 30 degrees but you had to find the angle of the whole of that angle which worked out as 60.07...... or something like that, and then you subtracted 30 from it, then rounded it to 3 sig
it was the whole angle? -_- ffs
15. (Original post by Purpleunicorn197)
Reps are not necessary but would be appreciated
1. Order numbers correctly and include a key
b) 0.45
2a. 30abc
b. 3(y+2)
c. x^2-3x
3. Smallest packet was best value for money because it was cheapest per bag of crisps
4. Green- 0.09 Red- 0.36
5. Ratio 4:3
b. New height 480
6. x= 9.25
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21. 144 degrees
22. F.d- 1.6, 3.2, 2.4, 1.8, 0.3
23. -1/3x+4
24. 2x/(x+1)(x-1)
25. 80.4
i believe question 20 was a quadratic equation
anther one was the one with the two triangles and x=30.1
16. X=29.25

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17. (Original post by Briony231222)
What did people get for the parallel line question?
144
18. (Original post by mattedwards8972)
It was 30 degrees but you had to find the angle of the whole of that angle which worked out as 60.07...... or something like that, and then you subtracted 30 from it, then rounded it to 3 sig
also, that was the question where you had those triangles on top of each otther and you had to use trigonometry to find the side, then use that side and the other one to find the angle?

I'm pretty sure i read that x is the smaller angle and got like 16 or 18 or w/e lol

Maybe i messed up with calculating the side :/
19. here are the answers I got, not sure if theyre all right or not
1a)
1 | 4689
2 | 123579
3 | 04688
4 | 13668
b) 0.45 or 9/20
2a) 30abc
b) 3(y+2)
c) x^2-3x
3) 9.25
4)The smallest packet (18) which was 22.2pence per pack
5) Green was 0.09, Red was 0.36
6a) 20.3
b) 68.04kg
c) 2.61m
7)3.8
8a) 4:3
b) 480 pixels (720/3 * 2)
9) x = 124 degrees
10) 7.92
11) 42.29
12) x = 144 degrees
13)
-2 -1 0 1 2
-1 3 1 -1 3
Draw curve
14)3 metal bars
15) No, because 7766.22 was greater than 7500 pounds
16a) 128g
b) 11g
17) 30.1 degrees
18a) 10a^5b^4
b) y = 5p^2 - x
19) 11 males from year 12
20) x = 0.29 or -2.29
21) 29.25
22) 28.9
23) Histogram:
1.6
3.2
2.4
1.8
0.3
24a) 1/-4-3x or -1/3x+4
b) 2x / x^2-1 or 2x/ (x+1)(x-1)
25) 80.4 degrees
20. (Original post by epage)
For the trial and improvement one my few ids were saying they got 3.7 but I got 3.8 and I was 100% sure that was right?

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you are right because 3.75 was too small and it was to one 1d.p

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