Mathematics: Post your doubts here!

[studyresourcecentre]

october november maths 2013 questions

It will be soon uploaded on our website.Stay updated.you can downloads loads of free notes in our downloads section for various igcse and a levels subjects.do recommened your friends.thank you.

 

[Mohammed Emad]

Hi! umm im having difficulty solving this question,
The scale of a map is 1: 1000. What are the actual dimensions of a rectangle which appears as 4cm by 3cm on the map? What is the area on the in cm^2? What is the actual area in m^2?

RahatMT, this DiscipleDelta, I'm gonna answer your question...

The actual dimensions of the 4x3 rectangle is 4000x3000; simple conversion.
The area on the map in cm^2 is 4*3=12; simple multiplication.
The actual area in m^2 is 1.2*10^7 or 12000000; you have to square the scale as well.

Be free to ask any questions just as I am, I'll help if I can. Out.

 

[Mohammed Emad]

All units, this is DiscipleDelta, I have a question which I have no idea how to solve;
Question 20(b): http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w05_qp_2.pdf
Ms:

Tango Mike in advance. how copy? over.

 

[Areeb Mohsin]

All units, this is DiscipleDelta, I have a question which I have no idea how to solve;
Question 20(b): http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w05_qp_2.pdf
Ms: View attachment 33916

Tango Mike in advance. how copy? over.

dude ur question has a problem in it
the question u asked is about the speed-time graph
and the answer u gave is of question 21(b) so in which question are u confused in?????

 

[Areeb Mohsin]

is it necessary to learn sine curve and cosine curve
thank you

 

[Mohammed Emad]

dude ur question has a problem in it
the question u asked is about the speed-time graph
and the answer u gave is of question 21(b) so in which question are u confused in?????

How do you get to the Q21(b) answer I gave??

 

[Mohammed Emad]

is it necessary to learn sine curve and cosine curve
thank you

No, but you need to know their rules(formulae)...

 

[SIstudy]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w12_qp_41.pdf
Q6 (a) ii
can some one please explain?
I can find |b|

 

[Mahmood Magdy]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w12_qp_41.pdf
Q6 (a) ii
can some one please explain?
I can find |b|

This is very easy ! You have to use the BODMAS rule where multiplication comes before addition. Therefore you have to multiply the vector column A with 2 . -2 will be -4 and 3 will be 6 . Then you have to add them -4 plus 2 will be -2 . Then, 6 plus -7 will be -1 . The final answer is ( -2 ) -1
Did you get it ??

 

[qwerty1234567890]

add maths:
could any of you please solve it.

question: To an observer in a ship sailing due north at 10 km h , a second ship appears to be sailing due east at 24 km/hr . Find the magnitude and direction of the actual velocity of the second ship. (could you draw a diagram and show)


thanks

 

[Saly Elkady]

Please how to solve question 7 (a) for this paper 0584/42/m/j/12 ?
BTW i need it as soon as possible.

 

[AMERICAN EXAM MOFO]

Shearing , invariant lines, and do ineed ot learn all the martixes for transformations or is there a wayto find them out?

 

[Tayeb Abdulrahman]

Please visit http://drtayeb.com

 

[Talha777]

Can you please tell me which calculators are allowed?
Is fx991es plus

 

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Thank you.

 

[ahmed butt]

i have igcse exam after 2 months i dont know how to study maths in organize way URGENT

 

[ahmed butt]

i cant understand how i will study maths in organize way

 

[♫Prince Shah♫]

i have igcse exam after 2 months i dont know how to study maths in organize way URGENT

You Can go through uh books, Ask uh doubt here

 

[black widow]

i cant understand how i will study maths in organize way

use this month for syllabus revision
cover ur doubts and clear ur concepts
use the next 2 months for past paper practice

 

[Mahmood Magdy]

Hey guys
I have a question in set theory , in the part where n(f) and n(AuD) etc comes . How can i know the difference of n in both the cases ? Sometimes n is the number of elements in the set and sometimes it is the sum of the elements in the set ! Thank you in advance