Igcse 2019 jan maths b Watch

Ailurophile03
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#1
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#1
lets discuss the answers
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Jonathan Ares
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Yeah
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charlottelong
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how did you find the paper, i thought it was pretty decent tbh
(Original post by Ailurophile03)
lets discuss the answers
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Jonathan Ares
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So how was the 2nd paper?
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Ailurophile03
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(Original post by Jonathan Ares)
So how was the 2nd paper?
good
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Kazim7
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the paper was easy. what was the answer for the shaded area? i got 8.66
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Jonathan Ares
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(Original post by Ailurophile03)
good
what was the answer to “acceleration is positive” question?
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Kazim7
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i used v=0
the answer was 32 something
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Kazim7
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what was the answer for question 1?
i got (a) 1440g and (b) 151.2 kg. what was your answer?
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Jonathan Ares
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yes
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Jonathan Ares
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(Original post by Kazim7)
what was the answer for question 1?
i got (a) 1440g and (b) 151.2 kg. what was your answer?
What was the answer to the “acceleration is positive” question?
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Jonathan Ares
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(Original post by Kazim7)
i used v=0
the answer was 32 something
I used a>=0 and the answer I found was t>=1.5
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Kazim7
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the question said to find values of t
it was 1.5 and 2.2
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Kazim7
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v=0 because at fixed point v=0 not a=0
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Jonathan Ares
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(Original post by Kazim7)
the question said to find values of t
it was 1.5 and 2.2
Wasn’t is “RANGE of values of t”?
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Kazim7
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what did you do for range of x in the last question of the graph?
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Kazim7
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was it range of values? 😨 i wrote the values onlyyy
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Jonathan Ares
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(Original post by Kazim7)
what did you do for range of x in the last question of the graph?
The answer was 1.8>X>2.2, wasn’t it?
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Kazim7
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yes!!
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Kazim7
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#20
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was probability 11/40???
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