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# Worked Mark scheme for Maths Edexcel 2016

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1. Someone explain question 22 i dont comorehend why u would add 2.5pi and 25/6 pi when they are asking for shaded region shouldnt it be big takeaway small then add 8
2. (Original post by Rakstar)
He is going to be raging.........

Guys could we get to 100 notifs lmao
Haha I'm going to PM him and ask him how many notifs he got so far!!

And yes I think so

Shame Federerr
3. The last question is also wrong: the answer is 80.4 degrees, not 80.3 (I got 80.3755 degrees by following the working exactly).

I'm pegging it, lol
5. (Original post by ellamoon_22)
Someone explain question 22 i dont comorehend why u would add 2.5pi and 25/6 pi when they are asking for shaded region shouldnt it be big takeaway small then add 8
It's asking for the perimeter, not area. You're meant to find out the lengths of the curved sides (2.5pi and 25/6 pi), add them and then add 8 (the two 4cm lengths).
6. (Original post by Rakstar)

I'm pegging it, lol
Why?
7. (Original post by leafcannon)
The last question is also wrong: the answer is 80.4 degrees, not 80.3 (I got 80.3755 degrees by following the working exactly)
Yep, you're right.
8. (Original post by leafcannon)
It's asking for the perimeter, not area. You're meant to find out the lengths of the curved sides (2.5pi and 25/6 pi), then add 8 (the two 4cm lengths).
Thnks
9. (Original post by hamza772000)
Why?
Do you really think i will hamza???

10. Grade boundaries for an A?
11. (Original post by Rakstar)
Do you really think i will hamza???

Yeah!
12. (Original post by Rakstar)

I'm pegging it, lol
So who cares, stop being so Innocent
Spoiler:
Show
Stop being such a wheeny
13. (Original post by hamza772000)
Yeah!
Ummmmmmmmmmmmmm, excuse me!!!!
14. (Original post by Rakstar)
Ummmmmmmmmmmmmm, excuse me!!!!
I said yeah, coz you needa take a break, alright. You've been here for wayy too long.
15. Hey for the last question I'd read it wrong so by the time I got back round to it for checking, I only had five minutes left. I ended up rushing it so made a mistake when using the cosine rule however I used the area of a triangle equation, got B as 40 and then wrote down the cosine rule equation but just proceeded to get the wrong answer in my speed. How many marks out of six do you reckon my working could get me? Thanks
16. (Original post by Tasnia'x)
So who cares, stop being so Innocent
Spoiler:
Show
Stop being such a wheeny
Tasnia we don't need comments like that, thank you!

And man don't need no crew, he like James Bond
17. (Original post by Becca427)
Hey for the last question I'd read it wrong so by the time I got back round to it for checking, I only had five minutes left. I ended up rushing it so made a mistake when using the cosine rule however I used the area of a triangle equation, got B as 40 and then wrote down the cosine rule equation but just proceeded to get the wrong answer in my speed. How many marks out of six do you reckon my working could get me? Thanks
You should get a min of 4, you might even get 5, but for remember your substitutions have to be correct.
18. (Original post by hamza772000)
I said yeah, coz you needa take a break, alright. You've been here for wayy too long.
I think i do
19. (Original post by hamza772000)
You should get a min of 4, you might even get 5, but for remember your substitutions have to be correct.
That's awesome - adding up my marks I think I've done really well - I'm so chuffed :3
20. (Original post by Rakstar)
I think i do
You do!

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