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  1. joanna omar

    maths p21!!

    yes it was that 120m is the length of the train and speed of 114 km/h with 20 m the width of the bridge......then calculate the time taken by the train to pass through the bridge !
  2. joanna omar

    maths p21!!

    bur wht they gave as the 12 was the width of the bridge which is from up to the ground and not the lenght
  3. joanna omar

    Maths CIE 2013 oct/november Paper 21 help?!

    I dont remember the question of ratio but if u rmememebr the values just tell me and I would work it out
  4. joanna omar

    Maths CIE 2013 oct/november Paper 21 help?!

    it was 1:335000 somthing like thaat I dont remember how abt the C cordinates ?
  5. joanna omar

    maths p21!!

    how and this 20 is the width of the bridge and not the lenght !!! therefore its 120*20/40 = 60 sec !!!
  6. joanna omar

    maths p21!!

    Is the train Question we had to do 120*20 ? so the times is 60 sec ?
  7. joanna omar

    Maths CIE 2013 oct/november Paper 21 help?!

    Guysss how abt the coulmn vector Q where they wanted the coordinates of C ?
  8. joanna omar

    maths p21!!

    No dude answeer K is 486 and we are talking abt v1 which we had the surface area they gave was 286(pi)
  9. joanna omar

    maths p21!!

    HOW ? :/
  10. joanna omar

    maths p21!!

    guyss I am talking abt var 1 and idk abt other variants
  11. joanna omar

    maths p21!!

    I did the same hope thats the right one !
  12. joanna omar

    Maths CIE 2013 oct/november Paper 21 help?!

    what was the final answer for the hemisphere ?
  13. joanna omar

    Maths CIE 2013 oct/november Paper 21 help?!

    I actually got it 60 sec
  14. joanna omar

    Maths CIE 2013 oct/november Paper 21 help?!

    Remind what else was a bit challenging in he exam ?
  15. joanna omar

    Maths CIE 2013 oct/november Paper 21 help?!

    HOW about the train and the bridge question for the time ?
  16. joanna omar

    maths p21!!

    Me too cuz they said like the Total surface area was 286(pi) so I took the curves surface area of sphere divide 2 +are of the cirlcle therefore radius is 9 which made the volume 486 ?
  17. joanna omar

    Maths CIE 2013 oct/november Paper 21 help?!

    Its was 120 cm2 AND GUYS HOW ABOUT THE HeMisphere what was K ?
  18. joanna omar

    How did u all do in accounting paper1 ?

    thats true same here even the balance sheet did not balance :/
  19. joanna omar

    How did u all do in accounting paper1 ?

    I feel it was tough !
  20. joanna omar

    IGCSE Oct/Nov 2013

    Me either :'(
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