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  1. haochen

    0580 Maths Discussion

    yeah :D
  2. haochen

    0580 maths

    what kind of tricks and formulas?? if it is a normal one then : cos formula: a^2=b^2+c^2-(2bc cos a)
  3. haochen

    0580 Maths Discussion

    u just solve the cos equation given and add i with 90 and subtract it with 180
  4. haochen

    0580 Maths Discussion

    :D
  5. haochen

    matrix in math 22

    i dont remember the question and answer but the last function answer is 2^2x+2
  6. haochen

    matrix in math 22

    why ??
  7. haochen

    0580 Maths Discussion

    me too I got 53.1...
  8. haochen

    One page summary for system analysis

    here is the list of validation check: 1)Range Check 2)Length Check 3)Character type check 4)Format check 5)presence check 6)consistency check 7)check digit 8 ) limit check
  9. haochen

    0580 Maths Discussion

    WayneRooney it is already discussed on other thread but i choose euro my explanation is on other thread :)
  10. haochen

    matrix in math 22

    yeah its 12 ? ? ?
  11. haochen

    0580 Maths Discussion

    my answer is the same as Luzzo95 :D
  12. haochen

    matrix in math 22

    the first one is 0 the second answer is 12 ? ? ? the thrid is 1/2 ? ? ? (but all are half but some are negative)
  13. haochen

    One page summary for system analysis

    i got better adv and disadv :P but this info is ok 4 u :D
  14. haochen

    One page summary for system analysis

    hey i got some more adv and disadv about method of analysis Observation: Adv: 1) the analyst obtain reliable data 2) It is possible to see what is...
  15. haochen

    brunei dollars or euro in math p2 mj 2011

    Inshallah the matrix i got a) 0 b)(12 8) (forgot ) c)(smthing like 1/2)
  16. haochen

    brunei dollars or euro in math p2 mj 2011

    about the function the last one they told us to simplify it and i got 2^2x+2 what about u guyz?? Smile u took the question wrong!! they ask u if he pay with the money 6 euro or with the money $11.5 , which is less??(only these two not 11.4) 11.4 is the $ u convert 6 euro to so $11.4=6 euro so...
  17. haochen

    brunei dollars or euro in math p2 mj 2011

    while thinking about it what is irrational???
  18. haochen

    brunei dollars or euro in math p2 mj 2011

    hi guyz im not sure about the answer but this is my theories: i choose Euro because: the question is he pay 6 euro or 11.5 dollar, which one does he pay less. the exchange rate is 1 euro = 1.9.... dollar so I choose to convert euro to dollar 6 * 1.9 =11.4 so 11.4 < 11.5 so 6 euro...
  19. haochen

    brunei dollars or euro in math p2 mj 2011

    ??????????????????????????
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