Igcse 2019 jan maths b

Original post by Kazim7

was probability 11/40???

I only remember the 11, not sure bout the denominator

Reply 22

Original post by Kazim7

v=0 because at fixed point v=0 not a=0

why v=0, we were asked to find range of values of t for which acceleration is positive, weren’t we?

Reply 23

Original post by Jonathan Ares

I used a>=0 and the answer I found was t>=1.5

sameeee hiighfive!

Reply 24

Original post by Jonathan Ares

The final part of the matrix question, in which you are asked to describe the transformation, what is the description?
(MATHS B PAPER 2)

rotation 90 clockwise with center -2,-4 or something

Reply 25

Original post by Kazim7

what was the answer for question 1?
i got (a) 1440g and (b) 151.2 kg. what was your answer?

same!

Reply 26

Original post by Kazim7

the paper was easy. what was the answer for the shaded area? i got 8.66

me too

Original post by Jonathan Ares

The answer was 1.8>X>2.2, wasn’t it?

yup, i got that

Original post by Kazim7

was probability 11/40???

i got a weird fraction

Reply 27

guys who did the vector question?
and what the value of the angle on the geometry question?

Reply 28

Original post by Ailurophile03

sameeee hiighfive!

Hah gucci

Reply 29

Original post by Ailurophile03

guys who did the vector question?
and what the value of the angle on the geometry question?

I was successful on proving the vector and I do not remember the angle, but what was yours?

Reply 30

Original post by Ailurophile03

rotation 90 clockwise with center -2,-4 or something

Well my center was (-4,-2)

Reply 31

i skipped the vector question T.T
angle was maybe 67 ?

Reply 32

Original post by Kazim7

i skipped the vector question T.T
angle was maybe 67 ?

What was your centre in the matrix question?

Reply 33

angle ACP was 33.4 something

Reply 34

Original post by Jonathan Ares

What was your centre in the matrix question?

i skipped the centre
just wrote rotation 90 clockwise

Reply 35

Original post by Jonathan Ares

Well my center was (-4,-2)

yeah -4,-2 sorry

Original post by Kazim7

i skipped the vector question T.T
angle was maybe 67 ?

same the vector was hard for me. i got 44 lol

Reply 36

Original post by Jonathan Ares

I was successful on proving the vector and I do not remember the angle, but what was yours?

44 lol XD, ik it is wrong

Reply 37

Original post by Ailurophile03

yeah -4,-2 sorry

same the vector was hard for me. i got 44 lol

Wish i remembered the angle!!!

Reply 38

Original post by Jonathan Ares

Wish i remembered the angle!!!

i got angle ACP 33.5

Reply 39