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OCR Maths B Unofficial Markscheme

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1. (Original post by sahil19)
yes yes yes.
What was the question though??
2. (Original post by tomo_nufc)
What was the question though??
The last question it was a solving a sim equation algebraically
3. Is there a Linear B unofficial mark scheme for the calculator paper?
4. (Original post by sahil19)
The last question it was a solving a sim equation algebraically
I got like 6 and 27 and -0.5 and -5.5
5. (Original post by sabaaaa)
I got x = -0.5 and y = 0.5
and x = -4 and y = -33
I dont know if those are actually right tho
I got x= -6 and y= -33

how did you get y= -33 if you used x= -4 ? Super nervous now

Also what did people get for the pineapple juice one I put recipe B
6. What did everyone get for the bearings questions
7. (Original post by Gclw)
What did everyone get for the bearings questions
I think most people got 175, I put 175.43 which was the other answer most people put
8. For the simultaneous equation I put like -6 0.5 0.7 idk 😂😂 not 33 or anything but I put both x values back Into the equation and it worked?

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9. (Original post by freyjmae)
I got x= -6 and y= -33

how did you get y= -33 if you used x= -4 ? Super nervous now

Also what did people get for the pineapple juice one I put recipe B
I got recipe b but my grinds are saying it was c. Oh I got 0.18333333333 for recipe b
10. (Original post by freyjmae)
I got x= -6 and y= -33

how did you get y= -33 if you used x= -4 ? Super nervous now

Also what did people get for the pineapple juice one I put recipe B
i got -6 and recipe B as well!!
11. Bearing question was 175. Last simulations equation was 0.5 and -0.5 and -6 and -33. the percentage question about calculating the end percentage the guy gets was 1.64%. It was recipe B. Hope this helps. If you guys remind me of some question, i might be able to remember more answers!
12. First page I got 15 and 20%
1.7% on the percentage question
Around 54 on the spider one
Second to last page (sin graph) : 55 and 145
Recipe B
-2.25 on some random equation question
x= -6 & y= -33 , x= 0.5 & y= -0.5
I dont know, anyone get the same? Or any other questions
13. Can anyone remember the linear equation to the simultaneous equation? It was something like 5x= something but 33 didn't work when inputting into the equation?

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14. for the recipe one I put c which is probably wrong, I forgot how to do proportion🙄
I got like 54 for the spider one
Got 175.4 for bearings
I got x= 0.5 and y= -0.5 and x= -6 y=-33 for the simultaneous equation one
Can't really remember what else I put
15. (Original post by willg66)
Can anyone remember the linear equation to the simultaneous equation? It was something like 5x= something but 33 didn't work when inputting into the equation?
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The equations on the last page? I think it was 5x - 3
16. (Original post by Kristina.24)
The equations on the last page? I think it was 5x - 3
Oh okay so so if y = 5x + 3 rearrange to 5x = y +3 if y is -6 then 5x = -3 so -3/5 to get x = -0.6 not 33 I'm failing to understand how everyone's got 33. I solved by making them equal to each other so when you solved the quadratic after making them equal you'd solve for the y values not the x values then substitute in to find X well that's what my teacher said.

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17. Recipe B I got as well; what did everyone put for the cash back question?
18. (Original post by sahil19)
Recipe B I got as well; what did everyone put for the cash back question?
1.7% I think

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19. I reckon I probably got between 70-80, really hoping for an A.
20. (Original post by tomo_nufc)
I got like 6 and 27 and -0.5 and -5.5
-0.5
0.5
-6
-33

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