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  1. simDS

    Survey: Do you like hummous? (yes/no)

    correction : "hummus" dip
  2. simDS

    Survey: Do you like hummous? (yes/no)

    hey i have to develop a food product for food tech. i just need to know how many 'teens' like 'hummous dip' for my survey. jsut need to answer yes/no thanks
  3. simDS

    integration help

    can someone please solve these questions: (i) integral of x^1/2 (ii) integral of the squre root of (x-1) thanks
  4. simDS

    help. 2007 probability. Q9a

    thank you soo much! but whe did you get 39/51 , 26/50 and 13/49 from??
  5. simDS

    help. 2007 probability. Q9a

    hey this this Q is from the 07 hsc. can someone please help:rofl: A pack of 52 playing cards consist of four suits with 13 cards in each suit. (i) one card is drawn from the pack and kept on the table. a second card is drawn and placed beside it on the table. what is the prob. that the...
  6. simDS

    i love you tunafish!!

    i love you tunafish!!
  7. simDS

    help! integrating exponential

    thank you so much!
  8. simDS

    help! integrating exponential

    how do you find the integral of xe^x^2 bounderies x=1-2 thanks
  9. simDS

    Help - trig identities

    can somwone please help prove sin^4 theta - cos^4 theta = 2sin ^2 theta - 1 thanks
  10. simDS

    Study Discussion

    Re: Write notes or type notes ? i type my notes, its so much easier to read and highlight important stuff plus you can add huge titles and add colour...
  11. simDS

    Differentiate

    so you have to draw the graph?
  12. simDS

    Differentiate

    but how did you get -1 < x< 1
  13. simDS

    Differentiate

    hi, hey can sombody please help me. :cold: i can diffentiate it but how do you test the answer? 'find all values of x for which the curve f(x) = x^3 - 3x + 4 is decreasing' thanks
  14. simDS

    mathematics-au.com

    which schools use this program? mathematics-au.com
  15. simDS

    help! basic functions finding range

    what is the range of these functions assuming the domain in each case is all the real numbers which give meaning (a) f(x)=x^3 ((b) y=x^2+4
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