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  1. M

    James Ruse Trial Exams & Assessments

    yes, thats what I thought.. well it means I need to get a new scanner sometime... the papers I scanned ( I assume u know that ) are seriously BAD!
  2. M

    James ruse 03 trial perm question

    hmm is that what inspection means? I tought it meant.. writing out all possible combinations as steverulz said
  3. M

    Study for HSC

    whats wrong with his site though? I never get it
  4. M

    ultimate probability question

    so whats the final answer?
  5. M

    James ruse 03 trial perm question

    can you explain why there is 1 way of arranging the vowels? (if we follow what you did for consonants, wouldnt it be 4!/2!?) EDIT: I forgot they're in alphabetical order. also, the question says: "which contain all the vowels in alphabetical order but separated by at least one consonant"...
  6. M

    Important Links

    hmm... after looking at this thread.. I think Im starting to regret wasting so much time to write my notes :( the intrepix one really looks professional. whoops.. I withdraw my comment. I think my maths notes are somewhat more complete :D especially in the extension topics.
  7. M

    Weird Conics question

    explain to me pls.. my brain is.. severely damaged :p
  8. M

    Cambridge 4U solutions anyone?

    u bought them for $200?
  9. M

    Urgent: ppm, parts per million?

    oh yes.. hehe... I'll just delete my replies there.. re-reading my own posts adn trying to fix them gives me a headache haha... and I dont think they help anyone. but.. I still dont understand Tommy_Lamp post.. 10,000??
  10. M

    Methods of Approximation Problem

    Halving the interval: Each successive application will halve the uncertainty. Final solution would be a < x < b, where a should be rounded down and b rounded up. For example, 1.436... < x < 1.444... becomes 1.43 < x < 1.45, then x = 1.4 since the last decimal place is not accurate (they're...
  11. M

    James ruse 03 trial perm question

    isnt it harder when u need to do it by inspection??? has anyone seen a pattern now? Im curious..
  12. M

    Internet Connection Sharing

    the wizard always works for me ^^ if u cant access files it means ur computers arent networked properly. running the wizard on every computer might help to reset any bad configuration. (dont forget that you're choosing the option to connect directly to the net on one computer only.) another...
  13. M

    what is cauchy-schwarz?

    <marquee><b>Why why why...</b></marquee> <br> <marquee>Why does HTML code show up in emails??</marquee>
  14. M

    what is cauchy-schwarz?

    Now, can somebody do this? ;) (don't cheat by looking at my code) (actually you can't cheat hahaha.. thanks to BoS system) <sup>hello</sup>
  15. M

    harder 3U Q

    Is there a term to say if I make "x" becomes "2^x" or "e^x"? If you dont get what I mean... making "x" becomes "x^2" is called.. raising x to the power of two. EDIT: I know now... somebody told me.. it's "raising 2 to the x" or "raising e to the x", hehe..
  16. M

    harder 3U Q

    unfortunately there wasnt :( I'll read nike's answer. Thanks! When I tried to do this question I used the wrong formula for trapezoid rule.... and also I tried to find the area from 1 to (n+1).
  17. M

    harder 3U Q

    Can smeone do this pls..? ;) Note: I'm not really sure what the RHS in part (b) is.
  18. M

    mechanics:friction

    weight of car = 1000*g Newtons this will be the vertical component of Normal force. so N = 1000g/cos@ horiz component of N = Nsin@ = 1000gtan@ taking inwards as positive, 1000gtan@ + Friction = mv^2/r, where Friction = F can be +ve or -ve at the moment but you know mv^2/r = 10*(54km/h)^2...
  19. M

    Permutations/Combinations

    oh yes, I forgot about that.
  20. M

    Permutations/Combinations

    didnt you mean: only vowels can start?
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