Edexcel IGCSE Maths A Paper 2HR 6th June 2019 - Unofficial Markscheme

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TestTaker123
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Hi,
Feel free to post your answers here to check!
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TestTaker123
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3D Trig: I got 59.5
Probability(Last Question): 25
Perimeter of Sector: 20.1
Volume of bottle: 600
Indices('b' section): n=x-2y
The triangle where Pythagoras and SOHCAHTOA was used: 2.21(Can't remember exactly)
Circle Theorems: 41
Equation of the Line: y=-2x-1
Domain excluded: 0.75
fg(x): (x-5)/(4x-23)
f inverse: 3x/(4x-1)
Gradient when x=-0.5: 7.3
Conversion: 0.0525m^2
Similar Triangles: 30
Completing the Square: 23-2(x+3)^2(Can't remember exactly)
Last edited by TestTaker123; 1 year ago
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hehe_x
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I got 41 for circle theorems
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TestTaker123
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Same. Did you get any other similar answers?
(Original post by hehe_x)
I got 41 for circle theorems
Last edited by TestTaker123; 1 year ago
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Mumu123
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i think it was 2.21 for the sohcahtoa
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ahmed8542
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I got 6.11 for the gradient and 69.0 for the 3d trig
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Mumu123
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there will probably be range for the gradients
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MSYED777
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I got 60 something for the 3D trig , I did tan angle times 13 over 5 root 2.

I got 41 for CT too.
Everything else looks like I got the same
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edexcle010202
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do you guys think 160 will be a 9
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Mumu123
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more, just by a little
(Original post by edexcle010202)
do you guys think 160 will be a 9
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hehe_x
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same as you for everything else except 3d trig - kicking myself for it lol I forgot the formula for an isosceles triangle
(Original post by TestTaker123)
Same. Did you get any other similar answers?
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MSYED777
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(Original post by ahmed8542)
I got 6.11 for the gradient and 69.0 for the 3d trig
I got 7.5 for gradient and 61.4 or something for the trig
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MSYED777
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Anybody remember their answers for the similarity questions ? Apparently there was a disguised conversion?
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Mumu123
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wait so what did yall get for line AB on the two triangle ones
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hehe_x
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yeah - for part 1 i got 30 then the second part was like 0.0525 or something
(Original post by MSYED777)
Anybody remember their answers for the similarity questions ? Apparently there was a disguised conversion?
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hehe_x
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Don't remember but i think 2.21?
(Original post by Mumu123)
wait so what did yall get for line AB on the two triangle ones
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MSYED777
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Why 0.525? What was the answer. I remember 84 on one question and somethi ngf else on the other
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Mumu123
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yesss thank you, i wasnt sure
(Original post by hehe_x)
Don't remember but i think 2.21?
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TestTaker123
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Let's hope so
(Original post by Mumu123)
there will probably be range for the gradients
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TestTaker123
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#20
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I got 0.0525 too
(Original post by hehe_x)
yeah - for part 1 i got 30 then the second part was like 0.0525 or something
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