Help with Math core

[Turbo93]

Am having difficulties with question 5 in May/June 2006 paper 1
Any help?

 

[Nibz]

Volume of cube = L^3 (L x L x L)
20 = L^3
Take cube root of both sides!
L = 2.71 m

 

[Turbo93]

Thanks alot bro appreciate it
Stay tuned i might have other questions

 

[Nibz]

Yes, sure!

 

[Turbo93]

Question 15 & 16 are a bit confusing:s

 

[Nibz]

Here CD = 3 times AB and AB = (-1 4)
so 3(-1 4) => (-3 12)

in (b) part you just have to state the relationship b/w these lines!
Since CD is a scalar multiple of AB .. so (i) both the lines are parallel
(ii) and the scalar multiple is 3... so line CD is three times that of AB!

Refer to Mark-Scheme first before asking!

 

[SalmanPakRocks]

Nibz please answer 16 also !!

 

[Nibz]

Same paper?
He's giving CORE mathematics not EXTENDED!

This is the solution:


Look at the first column!
for 6 students playing volleyball the angle is 90 degrees!
so for 1 student it would be 90/6 = 15
Now complete the empty boxes accordingly!
For hockey it'd be 7 x 15 = 105 degrees
For Cricket it'd be 2 x 15 = 30 degrees

for part (b) draw the above angles on the pie chart!

For (c) modal is anything repeated the most! So look for the highest frequency of students => Football with 9 students!

 

[Turbo93]

Thank you am finished with it thanks to you
Anyways am doing May/June 2006 paper 3 now and am on question 2 (c) am reading the marking scheme , but its just not giving me the right answer that i could understand

 

[SalmanPakRocks]

Same paper?
He's giving CORE mathematics not EXTENDED!

This is the solution:


Look at the first column!
for 6 students playing volleyball the angle is 90 degrees!
so for 1 student it would be 90/6 = 15
Now complete the empty boxes accordingly!
For hockey it'd be 7 x 15 = 105 degrees
For Cricket it'd be 2 x 15 = 30 degrees

for part (b) draw the above angles on the pie chart!

For (c) modal is anything repeated the most! So look for the highest frequency of students => Football with 9 students!

yeah Actually the IG and GCE maths are very similar so I also decided to solve it !! and thank you very much for solving !!!

 

[Nibz]

IGCSE Extended and O-level are similar not CORE!
Core papers are for C-grade and below students!

 

[SalmanPakRocks]

Oh really ?? No wonder I found the paper easy !! but thanks for you help !!

 

[Nibz]

YES!
That is why people mistakenly brand IGCSE easier than O-level!