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OCR Maths B Unofficial Markscheme

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1. (Original post by sahil19)
yes yes yes.
-6 wasnt it? Not -4
2. (Original post by Melad)
-6 wasnt it? Not -4
I remember the 0.5 and -0.5 the -33 but I can't remember what I put for the last one. Either -6 or -4
3. Yep- it was -6, -33
4. Very good exam, the one that troubled me the most was the bearings one but i mangaee to get it after figuring out it was the sine rule. Last question was definitely x = 0.5 and x = -6 while y = -0.5 and y = -33

Percentage question i got 1.7%

Pineapples was recipe B as i did pineapple divided by total juice and multiplied by 100

Compound interest questions i got £3860 and year 2020

X = -8.5 on the question where you had to multiply the fraction out
5. (Original post by Mr_Elmo)
Very good exam, the one that troubled me the most was the bearings one but i mangaee to get it after figuring out it was the sine rule. Last question was definitely x = 0.5 and x = -6 while y = -0.5 and y = -33

Percentage question i got 1.7%

Pineapples was recipe B as i did pineapple divided by total juice and multiplied by 100

Compound interest questions i got £3860 and year 2020

X = -8.5 on the question where you had to multiply the fraction out
What did you get for the sin graph?
6. (Original post by Mr_Elmo)
Very good exam, the one that troubled me the most was the bearings one but i mangaee to get it after figuring out it was the sine rule. Last question was definitely x = 0.5 and x = -6 while y = -0.5 and y = -33

Percentage question i got 1.7%

Pineapples was recipe B as i did pineapple divided by total juice and multiplied by 100

Compound interest questions i got £3860 and year 2020

X = -8.5 on the question where you had to multiply the fraction out
Was the bearing question 175km???
7. (Original post by katherine3)
Was the bearing question 175km???
Yeah i got 175 and then something on decimal as well, but 175km is perfectly fine
8. (Original post by Mr_Elmo)
Yeah i got 175 and then something on decimal as well, but 175km is perfectly fine
Okay great!! I was worried about that one really 😂
9. (Original post by Melad)
What did you get for the sin graph?
Think i got 55 and 124 but the decimal points of both added the answer to 180 degrees, so realistically 55 and 125
10. (Original post by Melad)
What did you get for the sin graph?
Something like 55° and 124.9°
11. (Original post by katherine3)
Okay great!! I was worried about that one really 😂
Me too, i drew the triangle and didn't have a clue where to start so just left the whole thing until the end of the paper
12. (Original post by Melad)
Last question: arc length= 2pi
Was it
13. (Original post by Mr_Elmo)
Very good exam, the one that troubled me the most was the bearings one but i mangaee to get it after figuring out it was the sine rule. Last question was definitely x = 0.5 and x = -6 while y = -0.5 and y = -33

Percentage question i got 1.7%

Pineapples was recipe B as i did pineapple divided by total juice and multiplied by 100

Compound interest questions i got £3860 and year 2020

X = -8.5 on the question where you had to multiply the fraction out
For the pineapples you divided each pineapple juice that can be made by the total made?
Did you convert the litres into ml because If so I think that Recipe C was the highest resolution.
14. (Original post by Ayb0ss)
For the pineapples you divided each pineapple juice that can be made by the total made?
Did you convert the litres into ml because If so I think that Recipe C was the highest resolution.
It was recipie B
15. did any one get 180 on the direct proportions question because I think I got it wrong
16. (Original post by tomo_nufc)
It was recipie B
I got recipe B
17. (Original post by Gymlindsey)
did any one get 180 on the direct proportions question because I think I got it wrong
180 for the first one, the second one y=72/X

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18. (Original post by Gymlindsey)
did any one get 180 on the direct proportions question because I think I got it wrong
Yes!!!
19. (Original post by willg66)
180 for the first one, the second one y=72/X

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Yeah I got those. For the stem and leaf diagram I wrote about the mean and the range.
20. What did you guys get for the bearings question?!

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