Mathematics: Post your doubts here!

[My Name]

oji tag nahi mila

yaar my smaallbrother did sum thing wait!

 

[♣♠ Magnanimous ♣♠]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s12_qp_23.pdf
question 16
question 19
question 20 i think mark scheme answer is wrong
♣♠ Magnanimous ♣♠

no no no maths.. sorry me maths bhul gaya hu.... pehle char mahine 11 me maine maths kiya to meri brain to pagal ho gaya tha.... due my parents were against biology field but when result un logo ko man na hi pada aur tab se leke aj tak muje maths sunke wo 2 3 mahine yad ate he aur muje undar se kuch hota hai... i am sorry me sab kuch bhul gaya hu maths ka..

 

[My Name]

no no no maths.. sorry me maths bhul gaya hu.... pehle char mahine 11 me maine maths kiya to meri brain to pagal ho gaya tha.... due my parents were against biology field but when result un logo ko man na hi pada aur tab se leke aj tak muje maths sunke wo 2 3 mahine yad ate he aur muje undar se kuch hota hai... i am sorry me sab kuch bhul gaya hu maths ka..

AWWW
its OK
U ROCK IN BIO!!!!!AND U SHUDREMEMBER THAT!!!

 

[My Name]

AWWW
its OK
U ROCK IN BIO!!!!!AND U SHUDREMEMBER THAT!!!

OK BYE!

 

[♣♠ Magnanimous ♣♠]

AWWW
its OK
U ROCK IN BIO!!!!!AND U SHUDREMEMBER THAT!!!

OK BYE!

bye.

 

[Evangeline]

Can someone please help me solve Q 20 part b in year May 2013 variant 22 , thanks

 

[♣♠ Magnanimous ♣♠]

Can someone please help me solve Q 20 part b in year May 2013 variant 22 , thanks

you have to add up the heights and divide it by 6. simple.

 

[mohabxD]

Can some one please explain this question ASAP?

0580/23/O/N/13

question #7

thanks...

 

[My Name]

rele sorry for the late reply than a lot dude

Its duudette!
ur most welcom
I HAV MY EXAM TOMMORROWW!!!
pray for me

 

[mohabxD]

guys please help, I need an explanation of the above question...

 

[ahmadumar]

Help required should in speed time graph to calculate distance should we take are under graph
My Name

yes area under graph

 

[ahmadumar]

guys please help, I need an explanation of the above question...

oh the one u posted?
cool gimme a while

 

[mohabxD]

oh the one u posted?
cool gimme a while

yeah, tyt

 

[ahmadumar]

yeah, tyt

i hope u understand some of it :/
last year i sat this exam. too easy, right?

 

[ahmadumar]

Can someone please help me solve Q 20 part b in year May 2013 variant 22 , thanks

 

[slisjunknown]

Assalamu alaikum
I urgently need how to find the greatest possible and least possible values with the upper and lower bounds of two numbers...I am doing my exams tomorrow and need to know it soon

PLEASE HELP

 

[mohabxD]

i hope u understand some of it :/
last year i sat this exam. too easy, right?

this helped a lot man, thank you very much

 

[ahmadumar]

Assalamu alaikum
I urgently need how to find the greatest possible and least possible values with the upper and lower bounds of two numbers...I am doing my exams tomorrow and need to know it soon

PLEASE HELP

so for example, if it says 5 cm to the nearest cm, divide 1 by 2 and u get 0.5cm. for upper bound add 0.5cm to 5cm and for lower bound subtract 0.5cm from 5cm.
Another example, if it says that 5m to the nearest cm, 1cm divide by 2, u get 0.5 cm . remember that it said to the nearest cm so when dividing 1 by 2 u will get 0.5 in cm. and the actual value is 5 in metres. so when adding or subtracting first change this 0.5cm to metres

 

[My Name]

do u need the answers i got all the answers same as mark scheme

i hav ms but i want xplanation!

 

[My Name]

Help required should in speed time graph to calculate distance should we take are under graph
My Name

YES IN SPPEDDD TIME GRAPH!!
NOT
DISTANCE TIME GRAPH!!!
becuz diatnce time graph mans ditance is given
im teelling u this cuz i made a mistakeonce!