Maths, Addmaths and Statistics: Post your doubts here!

[SalmanPakRocks]

Find the value of 'n' if the reciprocal of 2^3 is equal to 2^n.

then n = -3
bases are same and then we can equate the power.

 

[legion]

Hmmmm
thankss

 

[student92]

could anyone provide me with statistics notes, i have found one, but i cannot download it.
http://www.scribd.com/doc/25912747/STATISTICS-4040-GCE-O-Level-Revision-Guide#
thanks

 

[SalmanPakRocks]

here
hope u find them helpful

 

[student92]

thanks alot,
ps :really like your signature!
Ameen

 

[Irtza]

sine 35 / cos 25 how to do it complete working

 

[paradoX error]

!

 

[paradoX error]

http://www.youtube.com/watch?feature=endscreen&NR=1&v=MuSDtM8UkzU

 

[paradoX error]

 

[Irtza]

the value of sine 30 and cos 30 is know but how to solve the following question sine 35 / cos 25 how to do it complete working

 

[aleezay]

Qp12 Q25a
10-3(2x-1) = 3x+1
10-6x+3=3x+1
10+3-1=6x+3x
12=9x
x=12/9
x=3/4
rest will do later

thanks 4 solving the question but,correction:
your answer is 4/3 not 3/4-check ur second last part
i got the same answer as u,4/3, but the answer in the ms is 1/13 =O
miss printing...?

 

[SalmanPakRocks]

thanks 4 solving the question but,correction:
your answer is 4/3 not 3/4-check ur second last part
i got the same answer as u,4/3, but the answer in the ms is 1/13 =O
miss printing...?

yup sorry for that! wait let me check! can u plz tell me which year is it?

 

[aleezay]

summers 2011 qp12..

 

[aleezay]

and,if u dont mind, can u plz have a look at the paper 2s i uploaded?

 

[zeshan huq]

http://www.xtremepapers.com/CIE/Cambridge O Levels/4024 - Mathematics/4024_s08_qp_2.pdf on question 4B) number 4 how do i find the ratio of both the triangle's area?

 

[SalmanPakRocks]

summers 2011 qp12..

Check out the answer in Er is 1 1/3

 

[SalmanPakRocks]

http://www.xtremepapers.com/CIE/Cambridge O Levels/4024 - Mathematics/4024_s08_qp_2.pdf on question 4B) number 4 how do i find the ratio of both the triangle's area?

well u just have to divide it
divide the area of tri CGE/ FGB
u will get answer in fraction and that is the ratio

 

[aleezay]

Check out the answer in Er is 1 1/3

oh ok..i consulted the marking scheme..so there must be some error there..thankyou!

 

[zeshan huq]

ok how do i find the area in the first place??

 

[SalmanPakRocks]

oh ok..i consulted the marking scheme..so there must be some error there..thankyou!

Which other question were u referring to?