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  1. Dubi Pro

    Physics (0625) IGCSE PAPER 62 .. EXPERIMENT QUESTION DOUBT

    any one who can answer this experiment? breifly? Any Idea?? A student’s plastic bottle of water tips over in class. Plan an experiment to investigate how the quantity of water in a plastic bottle affects its stability. The plastic bottle holds up to 2000 cm3 of water and has a height of 42...
  2. Dubi Pro

    Mathematics: Post your doubts here!

    how is BCD 93? :o
  3. Dubi Pro

    Mathematics: Post your doubts here!

    fine solve and let me knw? :P
  4. Dubi Pro

    Mathematics: Post your doubts here!

    what simplification? -.- value u gotta find...
  5. Dubi Pro

    Mathematics: Post your doubts here!

    how on this earth can this be done btw?
  6. Dubi Pro

    Mathematics: Post your doubts here!

    will try doing it 0_0
  7. Dubi Pro

    Mathematics: Post your doubts here!

    OK then? still after i divide the adjoint, im getting the wrong answer! and when should u divide the adjoint? only when the Matrix is in fraction?
  8. Dubi Pro

    Mathematics: Post your doubts here!

    answer*
  9. Dubi Pro

    Mathematics: Post your doubts here!

    in this quest, the lAl is 32 but the problem is the matrix is in fraction. when im multiplying im getting a wrong asnswer. but when i invert the 1/32 to 32/1 and multiply the naswer is correct. any idea why?
  10. Dubi Pro

    Mathematics: Post your doubts here!

    ahhhh Right bro! That was the confusion thanks!
  11. Dubi Pro

    Mathematics: Post your doubts here!

    rightt! :) but why cant angle c and angle D be same? there is a property yea? thats they subtended by same arc
  12. Dubi Pro

    Mathematics: Post your doubts here!

    and the EDO also 2 marks! might be something unusal also cuz angle C and ANGLE D are equal by the property : angles subtended at the same arc?
  13. Dubi Pro

    Mathematics: Post your doubts here!

    Right, undeerstoood very well! (Y) thanks man! can i ask this as well only last two parts of the angle property? for angle CBO why cant we use the cyclic quad propeerty? whats the main thing then?
  14. Dubi Pro

    Mathematics: Post your doubts here!

    i knw the answer can anyone here give me the proper resoning as why the angle in part b and part d are this? Really going confused! :(
  15. Dubi Pro

    Mathematics: Post your doubts here!

    Yep Shall Revice that too! thanks alot for help anyway! :D
  16. Dubi Pro

    Mathematics: Post your doubts here!

    see see bro even i got 2.5 can u say if it makes sense? jus like u did.. y axis 1 cm square is 5 x axis 1 cm square is 2 5/2 is 2.5 makes sense?
  17. Dubi Pro

    Mathematics: Post your doubts here!

    Ah alright at the x axis how did u get 0.5? and to conclude we can say that 1cm square means 5 block yes?
  18. Dubi Pro

    Mathematics: Post your doubts here!

    jus a 1 mark quest bro this question comes again and again in the histogram part! any idea HOW!
  19. Dubi Pro

    Mathematics: Post your doubts here!

    \Yes so the same thing applies in the question i gave?
  20. Dubi Pro

    Mathematics: Post your doubts here!

    so u see only part of the angle is supplementary or the whole thing?
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