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  1. blaze.bluetane

    CSSA Economics 2009

    had this argument with my teacher as well. Apparently in economics the word 'developing' is not to be confused with the verb 'developing' as in becoming developed, so developing economies should be described in terms of low per capita y, lack of govt, dominantly rural export base, low SOL and...
  2. blaze.bluetane

    Parabola..

    y=ax^2 +bx +c (GENERAL FORM) x intercepts at x=(-b+-sqrt(b^2-4ac))/2 y intercept at y=c x=4ay (PARAMETRIC FORM) The definition of a parabola in terms of one variable p (parameter): (2ap,ap^2) passes through origin (the only intercept) directrix: x=-a focus=(0,a)
  3. blaze.bluetane

    Mathematics Extension 1 Marathon HSC 09

    ok well in that case, Fair bit easier than splitting denominators and log results and all that! :)
  4. blaze.bluetane

    Mathematics Extension 1 Marathon HSC 09

    very smooth. But I think you need to say in part 1 that angleAPB = 90 BECAUSE it is the angle at the circumference of a semicircle. I don't think angleAPB=90 is a given.
  5. blaze.bluetane

    Mathematics Extension 1 Marathon HSC 09

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="ProgId" content="Word.Document"><meta name="Generator" content="Microsoft Word 12"><meta name="Originator" content="Microsoft Word 12"><link rel="File-List"...
  6. blaze.bluetane

    Mathematics Extension 1 Marathon HSC 09

    0<=t<1 since theta=half.ln[(1+t)/(1-t)]+pi/4 for any lnx, x>0
  7. blaze.bluetane

    Area between 2 curves

    There has got to be some comedic value somewhere within all of this intense studying and schoolwork. I think it is a 'special gift' to be able to see cleavage in a log and a exponential graph, albeit completely irrelevant! I don't think I ever would have picked that up. Haha. I think parts is...
  8. blaze.bluetane

    Area between 2 curves

    If you did it correctly by parts it should be the same answer. Hence you should get the marks. I used MX2 polynomial stuff on a MX1 test and they gave me full marks. But I dunno... did they specify anything? If not then I don't see why parts won't get you the marks.
  9. blaze.bluetane

    Cssa

    +1 Same. Had heaps of stats and everything for Iceland but not too disappointed because I liked the macro and BOP topics for essays. Writing pads but i had about a page of diagrams. That sucks. Some of the monetary policy you can do from RBA intervention in the exchange rates topic but yeah...
  10. blaze.bluetane

    Area between 2 curves

    Sorry... If you consider areas on the graph I attached above. a] find the area enclosed by the y-axis, the lines y= 1, y=2 and the curve y=e^x Consider the area under the curve y=e^x from 0 to ln(2). Now consider a rectangle formed by the x and y axes and the line y=2 and x=ln(2). If we...
  11. blaze.bluetane

    Motion Question from HSC 98 Q6bii)

    whats the success one solution?
  12. blaze.bluetane

    resiting economics trial exam :(

    What exactly does a breach in security mean? A CSSA person leaked the questions somewhere or what? My teacher is too lazy to make us sit it again. Anyways I'm goin away on hols after exams so I won't be able to do it anyway :)
  13. blaze.bluetane

    Cssa

    Yeah pretty breezy 6 pages. I like CAD questions. There is always plenty to put into them. Also I thought the m/c and s/a were both pretty easy. Did 26 and 28 but it seems that writing another page or two would have allowed me to answer both 25 and 26 in one essay?! Did anyone think that...
  14. blaze.bluetane

    Area between 2 curves

    A. Area=2ln2-S<sup>ln2</sup><sub>0</sub>e^x .dx Area of rectangle - area under exponential B Similarly, Area = S<sup>2</sup><sub>1</sub>e^y .dy - answer from A Area under log w.r.t y axis(exponential when integrating) - Area already found
  15. blaze.bluetane

    Exchange and Inflation Rate calculations

    Year 2 CPI - Year 1 CPI ----------------------------- x 100= Inflation Rate Year 1 CPI
  16. blaze.bluetane

    Is this a legitimate theorem?

    Yes it is true but i don't know whether it is part of the course or not.
  17. blaze.bluetane

    Economics a long course?

    Could you post them up? Do you have solns? :) I would say that the mcq exploit the intricacies of the course content. Sometimes there are two correct answers and you have to evaluate which one is more adequate..aggravating
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