Author Topic: IGCSE MATHS Doubts  (Read 126473 times)

Offline Vin

  • SF V.I.P
  • ********
  • Posts: 7914
  • Reputation: 52609
  • Gender: Male
    • Theory of Life - A new skew.
Re: IGCSE MATHS Doubts
« Reply #945 on: May 18, 2010, 07:26:17 pm »
Check the question, any other details given?? For e.g how many like only basket ball, or how many like only football etc??

DUDE A LOT OF HARD WORK U R DOIN !! STANDING OVATION FROM ME !!  :D :D

Offline aangel42

  • Newbie
  • *
  • Posts: 49
  • Reputation: 119
  • Gender: Female
Re: IGCSE MATHS Doubts
« Reply #946 on: May 18, 2010, 07:27:09 pm »
Can a vector only be "equal" to another one if it is parallel to it?
There's no other way?
:)

Offline Vin

  • SF V.I.P
  • ********
  • Posts: 7914
  • Reputation: 52609
  • Gender: Male
    • Theory of Life - A new skew.
Re: IGCSE MATHS Doubts
« Reply #947 on: May 18, 2010, 07:28:02 pm »
Can a vector only be "equal" to another one if it is parallel to it?
There's no other way?

if in same direction and same size ..

Offline Ghost Of Highbury

  • O_o_O lala!
  • SF Farseer
  • *******
  • Posts: 4096
  • Reputation: 41428
  • Gender: Male
  • Namaskaram!
Re: IGCSE MATHS Doubts
« Reply #948 on: May 18, 2010, 07:31:48 pm »
Thank you, its my job. Much appreciated. :D

@aangel42 - if u r referring to the previous question, they're equal because the question says they are "EQUILATERAL TRIANGLES"
divine intervention!

Offline $H00t!N& $t@r

  • SF Geek
  • ****
  • Posts: 323
  • Reputation: 887
  • Gender: Female
Re: IGCSE MATHS Doubts
« Reply #949 on: May 18, 2010, 07:33:40 pm »
Q- 24 students in a class asked whether they like football or basket ball.
iv) a student who likes football is selected at random. what is the probability that this student likes basketball?
i know it's a simple qs, but please answer since my answer was different from my teacher's and since i don't know if it's from a past paper i can't use a mark scheme to check :|

u sure that question is complete? cz i dnt think theres any way of solving it with the info given...
"If A equals success, then the formula is:
A=X+Y+Z, X is work. Y is play. Z is keep your mouth shut"- Albert Einstein

Offline Vin

  • SF V.I.P
  • ********
  • Posts: 7914
  • Reputation: 52609
  • Gender: Male
    • Theory of Life - A new skew.
Re: IGCSE MATHS Doubts
« Reply #950 on: May 18, 2010, 07:35:12 pm »

The question is from O/N/05. Question 4.


@Dibss
u want the solution ??

Offline Ghost Of Highbury

  • O_o_O lala!
  • SF Farseer
  • *******
  • Posts: 4096
  • Reputation: 41428
  • Gender: Male
  • Namaskaram!
Re: IGCSE MATHS Doubts
« Reply #951 on: May 18, 2010, 07:35:54 pm »
well, if thats the question..

its not 14/24..

its 12/19

because..if the player likes basketball AND football he belongs to the group of 12..

however they say he likes football..first..so the larger group is 19

therefore, 12/19 .
divine intervention!

Offline princess12

  • SF Master
  • ******
  • Posts: 1234
  • Reputation: 1650
  • Gender: Female
Re: IGCSE MATHS Doubts
« Reply #952 on: May 18, 2010, 07:35:58 pm »
by the way thanks adi
We should be kind to after teachers

Offline Ghost Of Highbury

  • O_o_O lala!
  • SF Farseer
  • *******
  • Posts: 4096
  • Reputation: 41428
  • Gender: Male
  • Namaskaram!
Re: IGCSE MATHS Doubts
« Reply #953 on: May 18, 2010, 07:38:08 pm »
divine intervention!

Offline The Golden Girl =D

  • Without Allah I'm nothing <3
  • Honorary Member
  • SF Overlord
  • *****
  • Posts: 13757
  • Reputation: 65532
  • Ain't Nothin worth your tears =D
    • www.thegoldengirl157.blogspot.com
Re: IGCSE MATHS Doubts
« Reply #954 on: May 18, 2010, 07:39:15 pm »
k ...question 2 nov 2006 paper 4 ..... how do i get the answer 289 for the bearing of W from J , someone explain and plz hurry :'(
Verily, in the remembrance of Allah do hearts find rest(13:28)

Please, Don't forget to Include GG in your Prayers =D

Offline Vin

  • SF V.I.P
  • ********
  • Posts: 7914
  • Reputation: 52609
  • Gender: Male
    • Theory of Life - A new skew.
Re: IGCSE MATHS Doubts
« Reply #955 on: May 18, 2010, 07:45:54 pm »

yay first !! =P

Offline Ghost Of Highbury

  • O_o_O lala!
  • SF Farseer
  • *******
  • Posts: 4096
  • Reputation: 41428
  • Gender: Male
  • Namaskaram!
Re: IGCSE MATHS Doubts
« Reply #956 on: May 18, 2010, 07:47:39 pm »
divine intervention!

Offline Syed Kazim

  • SF Immigrant
  • **
  • Posts: 101
  • Reputation: 710
  • Gender: Male
  • Aider les gens à s'aider eux-mêmes!
Re: IGCSE MATHS Doubts
« Reply #957 on: May 18, 2010, 07:49:19 pm »
well, if thats the question..

its not 14/24..

its 12/19

because..if the player likes basketball AND football he belongs to the group of 12..

however they say he likes football..first..so the larger group is 19

therefore, 12/19 .

Oops, I wrote the solution to the question before the one he asked. Sorry.

He asked 4a)vi and I answered 4a)v.  :-[
--Les intellectuels de résoudre les problèmes, les génies les préviennent.

Offline The Golden Girl =D

  • Without Allah I'm nothing <3
  • Honorary Member
  • SF Overlord
  • *****
  • Posts: 13757
  • Reputation: 65532
  • Ain't Nothin worth your tears =D
    • www.thegoldengirl157.blogspot.com
Re: IGCSE MATHS Doubts
« Reply #958 on: May 18, 2010, 07:49:44 pm »
yay first !! =P
thx bro ..but umm i dn't get how u got 98?!?!?! ..plz do explain srry  :-[ :-[
Verily, in the remembrance of Allah do hearts find rest(13:28)

Please, Don't forget to Include GG in your Prayers =D

Offline Vin

  • SF V.I.P
  • ********
  • Posts: 7914
  • Reputation: 52609
  • Gender: Male
    • Theory of Life - A new skew.
Re: IGCSE MATHS Doubts
« Reply #959 on: May 18, 2010, 07:50:09 pm »
you talking about this ?? =P


P.S im not showing off =P