Mathematics: Post your doubts here!

[manya]

last one!

yes thankyou for identifying

 

[Zephlex]

Hey, I'm having trouble with number 2, ii on paper 0580/42 may june 2010. I thought there was no way to get the determinant of a matrix that isn't square? On the marking scheme it says 17
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s10_qp_42.pdf

 

[shazmina]

u just place the 150 in the equation... 75(151)=11325 this is very easy what the...

Tnxs for ur kind reply but i asked help for part (a) 4...of dat question...

 

[manya]

some guy is arguing with me that the nth term Qs in P4 can be solved using a formulae people want things that makes ev thing easier for them! how much did u get in P22 2013 ??

i made a really stupid mistae but i guess in sha Allah it will be above 64

 

[sdcsdsd]

for Q5.. draw a line to the left of the north make sure it makes 90 degrees extend a line from C to the north until it intersects the eastern line! it will make a 90 dergree find the distance of the E to the intersection by cosine....

for Q6ii)
for such Questions look at the pattern for the given example they divided the 115/2 then by 5 to get 11.5 so do the same thing for others but dont divide by two but divide by the difference between the ranges,... u will get 0.7 , 2.6 and 0.8

Thanks

 

[weirdoatlarge77]

Need help with this question, 6 c
How do you actually find the values?!
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s10_qp_43.pdf
helppp

 

[aimank]

can u help me in paper 4 may june 2009 question 8 ??????

 

[tweetie]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s10_qp_41.pdf
q2b
17 c i ii iii iv
PLEASEEEEEE HELP ASAP

 

[Rania1]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s11_qp_43.pdf I'm stuck in question 3) c) my answer is 26.5 , the marks scheme says 53.1

 

[tweetie]

i can help u in the first one but for the second one IDK which one really... for
Q2b..
you take a sufficient solving of mean which is ... mark X frequency so lets CALL MARK=X so XxN/n=3 thus we say mark X=3
then we replace in normal equation 190+3n/40+n.... hopefully u understand!

WHY U NOT ONLINE ON SKYPE???

 

[Rania1]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s10_qp_41.pdf
q2b
17 c i ii iii iv
PLEASEEEEEE HELP ASAP

You have 4.75 as your first mean, and 40 students. To get any mean you multiply the frequency with the number of people and divide by TOTAL Frequency. So, 4.75*40 + 3n everything divided by the total frequency which is 40 + n . It will simplify to 190 + 3n / 40 + n

 

[Fatum Zuh]

I need help PLEASE
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w12_qp_41.pdf
Question d(ii) Can you show me the steps? I have Maths paper 4 tomorrow so please anyone ans quickly. Thnks

 

[Fatum Zuh]

I have another doubt. I need all the working pls.
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w10_qp_42.pdf
Question 10 (c)(ii). Thanks

 

[Fatum Zuh]

Q???

question 1

 

[shazmina]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w12_qp_43.pdf can u plzz let me knw hw to solve question no 7 part (a) 2...

 

[manya]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w12_qp_43.pdf can u plzz let me knw hw to solve question no 7 part (a) 2...

2/5 x 1/4. thats easy

 

[Faaiz Haque]

Question 7B
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s08_qp_4.pdf

 

[Aboo El LeeeeF]

Hello .. please can you explain for me shear and Stretch with diagrams and how to find it's scale factors because I cant do any question in the past papers related to this TOPIC and please link any website which help to teach them
Thank's a lot

 

[Fatum Zuh]

WOW ur Questions are soo long....... for this one .... just form equations and replace them in different equations its very easy but concentrate!

i did that but it's not coming

 

[manya]

i did that but it's not coming

u have to make equations
if u use these u will get t answer
x-y=33
-x+2y=18
u will get the answer for x and y. then add them to get the value for z