Mathematics: Post your doubts here!

[wohooo]

Why u multiply 10 3 times why not 4 times.the question followed by four digits??.sorry i dobt understand

I understand tq

 

[abruzzi]

hey guys,
I have a doubt regarding the marking system of the maths exams. Is there error carried forward (e.c.f) in the sub-questions?

 

[ZaqZainab]

Why u multiply 10 3 times why not 4 times.the question followed by four digits??.sorry i dobt understand

my bad

 

[ZaqZainab]

hey guys,
I have a doubt regarding the marking system of the maths exams. Is there error carried forward (e.c.f) in the sub-questions?

yup

 

[Haya Ahmed]

http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_w09_qp_61.pdf


Q3 (ii) and Q5a(ii) Please explain them

 

[ZaqZainab]

moonangel996

 

[Harsh Poddar]

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[Thought blocker]

ZaqZainab

Zaqy ye wali

 

[Haya Ahmed]

http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w10_qp_63.pdf

Q7 (ii)

 

[Haya Ahmed]

http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_w10_qp_61.pdf

Q2 , Q3(ii) , Q5(i), Q7(i) and Q6(iv) and (v)

 

[rawaaaan]

can u pls help me in this question 9709/61/o/n/10 question 3 (ii) what does it mean 1.654 standard deviations above the mean? pls explainmarks scheme http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_w10_ms_61.pdf question paper
http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_w10_qp_61.pdf

they said more than 1.645 sd above the mean which means 1.645*standard deviation and then above the mean means =26.4+(1.645*3.7)-26.4/3.7 =phi(1.645)
which gives 0.95 and because they said more than u do 1-0.95=0.05
i hope u understood this is a bit complicated ik ,if i did something wrong u ppl r free to correct me

 

[kruti]

Anyone doing M2, could u pls help out with ques. 4 in the following paper. Thanks in advance. http://papers.xtremepapers.com/CIE/...AS Level/Mathematics (9709)/9709_s07_qp_5.pdf

 

[mahmoud1245]

http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_w09_qp_52.pdf

n2 (i) how to calculate the angle to use?

 

[AnujaK]

Practice for statistics (AS) over here with my solved papers!
https://sites.google.com/site/fromatoscom/photo-gallery

 

[moonangel996]

moonangel996

Thankk youuu

 

[Ayeshak93]

A lot of people are saying math p3 was leaked, how true is this?

 

[unkidd]

p3 was leaked u just looked at the paper picture

 

[Ayeshak93]

p3 was leaked u just looked at the paper picture

Paper picture? Will we re-sit for it?

 

[AbbbbY]

p3 was leaked u just looked at the paper picture

Paper pictures *after* the paper don't count as proof in the eyes of CIE. Just saying.

 

[Ayeshak93]

OK thanks