How prepared are you all? For Maths IGCSE 0580? any tips, ideas?

[ahmadumar]

i dont gt the second time one!

look i'll explain chill rehne ka.
so u understood 1st time, right?
First, it says that without replacement. so after 1st time u have taken out a pencil u will keep it out. This only 8 will be left in. Now it also says "exactly" one should be green! not both of them. so second time when u put ur hand in u want any pencil other than green to come because u want green in afterwards. so without green only 5 will be left. so 5/9. now u have taken a pencil out, not green. so in total the pencils will decrease by one but the green will stay 4. so 4/8
upar se guzar gya?

 

[ahmadumar]

BEARINGS
i m not good in those any tips notes anything that can make me do them!!

bearings means taking the angle from north.
so if it says bearing of B from A. draw a vertical line at A. this will be NOrth at A. now connect point A and B with a line. the angle starting from north till this line is the angle required :3
lol ye bhi upar se
i'll write

 

[My Name]

look i'll explain chill rehne ka.
so u understood 1st time, right?
First, it says that without replacement. so after 1st time u have taken out a pencil u will keep it out. This only 8 will be left in. Now it also says "exactly" one should be green! not both of them. so second time when u put ur hand in u want any pencil other than green to come because u want green in afterwards. so without green only 5 will be left. so 5/9. now u have taken a pencil out, not green. so in total the pencils will decrease by one but the green will stay 4. so 4/8
upar se guzar gya?

nahi nahi guzra
ahukar ha!

 

[My Name]

bearings means taking the angle from north.
so if it says bearing of B from A. draw a vertical line at A. this will be NOrth at A. now connect point A and B with a line. the angle starting from north till this line is the angle required :3
lol ye bhi upar se
i'll write

i already knew that!
i cant seem to answer teh question wen they have one angle and u find this frm this

 

[My Name]

one my classmates said sumthing like wen it is more than 180 we minus 180
and viceversa

 

[ahmadumar]

nahi nahi guzra
ahukar ha!

samaj laggi? :3

 

[ahmadumar]

i already knew that!
i cant seem to answer teh question wen they have one angle and u find this frm this

ask any bearing question then

 

[dubi2pro]

OK bro! for this quest, it says DX: XB = 3:2

just wana know, if BD IS 20 then how we find BX?

and for the 2nd part, dont take the product of 2 whole diagnols?

 

[My Name]

ask any bearing question then

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w11_qp_23.pdf
question 21 b

 

[My Name]

I got a as 84

 

[ahmadumar]

OK bro! for this quest, it says DX: XB = 3:2

just wana know, if BD IS 20 then how we find BX?

and for the 2nd part, dont take the product of 2 whole diagnols?

bro i'll answer that. lol i have finished up my internet so nothing was opening. now still very slow. my net will renew on 8 :e
lol kenarey pe chal rha hun main XD

 

[dubi2pro]

I got a as 84

its 136

you have to minus the 220 from ACB

 

[ahmadumar]

OK bro! for this quest, it says DX: XB = 3:2

just wana know, if BD IS 20 then how we find BX?

and for the 2nd part, dont take the product of 2 whole diagnols?

so Dx:XB= 3:2. This means that we are dividing BD into 5 parts. and then out of that five parts BX is 2 of them and DX is 3 of them.
SO, BX= 2/5 x BD

 

[ahmadumar]

OK bro! for this quest, it says DX: XB = 3:2

just wana know, if BD IS 20 then how we find BX?

and for the 2nd part, dont take the product of 2 whole diagnols?

no to find area at AC divide it into 2 triangles. one is DAC and other one is ACB.
now use the area formula to find area. find any other length u need to find

 

[dubi2pro]

no to find area at AC divide it into 2 triangles. one is DAC and other one is ACB.
now use the area formula to find area. find any other length u need to find

PRO thing you are!

 

[ahmadumar]

PRO thing you are!

haha u are super PRO
solve it and see do u get it

 

[dubi2pro]

haha u are super PRO
solve it and see do u get it

i did!

 

[dubi2pro]

haha u are super PRO
solve it and see do u get it

right, so when drawing cumulative freq graph, do we have to pass the line through origin? i never get it?

what is the zig zag means frm the origin??

like this one?

 

[My Name]

right, so when drawing cumulative freq graph, do we have to pass the line through origin? i never get it?

what is the zig zag means frm the origin??

like this one?

Break in graph

 

[dubi2pro]

Break in graph

so everytime, so gotta break it like this? or it depends?