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  1. K

    HSC 2012 MX1 Marathon #1 (archive)

    Re: 2012 HSC MX1 Marathon Alright, another one ... PQ is the diameter of a circle, centre O. X is any point on the circle (not at P or Q). PX is extended to Y such that XY = OX. Find in simplest form the ratio of angle YOQ : anglee YOX
  2. K

    HSC 2012 MX1 Marathon #1 (archive)

    Re: 2012 HSC MX1 Marathon Okay - AB is a chord of a circle. P is the midpoint of the minor arc cut off by AB, and Q is the midpoint of the major arc. Show that PQ is a diameter (hint: include the centre of the circle in your diagram.)
  3. K

    The best way to study?

    Set goals and tasks to do each day ... then when it comes to exam time just keep doing past papers and short answers
  4. K

    Timetables!

    how is everyone getting their timetable so early?? we dont start till wednesday
  5. K

    Bye, bye Mathsonline.

    I found it really helpful ... not going to purchase it though. Anyone getting it?
  6. K

    English question

    Just out of curiosity ... If somebody used another person's belonging creative from a different school done a few years ago and used them in their school assesments and hsc ... The school definetly wouldn't really notice and the chances of getting the same marker would be almost minimal in the HSC?
  7. K

    HSC 2012 MX1 Marathon #1 (archive)

    Re: 2012 HSC MX1 Marathon haha yeh my bad .... OP and OQ are radii length r cm of a circle centred at O. Arc PQ of the circle subtends an angle of theta radians at O and perimeter of sector OPQ is 12cm. Show that Area A of sector is given by A = 72theta/ (2+theta)^2 Hence find the maximum...
  8. K

    HSC 2012 MX1 Marathon #1 (archive)

    Re: 2012 HSC MX1 Marathon OP and OQ are radii length r cm of a circle centred at O. Arc PQ of the circle subtends an angle of theta radians at O and perimeter of sector OPQ is 12cm. Show that Area A of sector is given by A = 72theta/ (2+theta)^2 Hence find the maximum area of the sector
  9. K

    HSC 2012 MX1 Marathon #1 (archive)

    Re: 2012 HSC MX1 Marathon The angles of a certain pentagon are in an arithmetic progression. The largest angle is double the smallest, find in radians, the size of each angle
  10. K

    This summer.

    Read frankenstein, belonging creative + related text - then try get ahead in notes for other subjects
  11. K

    HOliday work

    i rekon an hour or two a day or 7 hours for a total week minimum - i.e. do 4 hours for 2 days a week
  12. K

    Past Papers

    is there economics on australia's place in the global economy?
  13. K

    Parametric Q

    How many normals pass through (0,Ka) a point on the axis of the parabola x^2=4ay for K>2? For K=3, find the points on the parabola which have a normal that passes through (0,3a)
  14. K

    Allowed notes for maths exam

    We are allowed to take a double sided A4 page of notes for our 3 and 2 unit maths test. Just writing out the formulas on them will probably only be half of one side? What do you reccommend i write on them to take into the test - may as well use the whole 2 sides Topics are mainly geometry of...
  15. K

    Eco Question

    Loose monetary policy means foreign investors are less likely to invest in Aus due to less rewards. Therefore, less demand for $A or people sell $A thus depreciating the $A
  16. K

    Not helping peers?

    since rankings are so important ... should you not help your class peers with homework/assignments or general questions?
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