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  1. U

    Playstation 5

    bruh horizon forbidden west is where its at
  2. U

    Polynomials question

    u can prove that necessarily that the polynomial is ax^3+cx Let f(x) = ax^3+bx^2+cx+d, a third degree polynomial Since f(x) is odd, f(-x)=-f(x), i.e. -ax^3+bx^2-cx+d=-ax^3-bx^2-cx-d Thus bx^2+d=0 Thus f(x)=ax^3+cx
  3. U

    [Simple Harmonic Question] I don't how to approach the question

    When the particle starts from rest, that means the velocity at that point is zero, i.e. dx/dt =0, thus a turning point on x(t). In general, when the particle starts at the centre of motion, use x=sin, when it starts at an extremum, use x=cos
  4. U

    URGENT: help with balancing an equation

    the heptahydrate simply means there are 7 molecules of water, which can be effectively ignored here. MgSO4*7H2O -> Mg^2+ + SO4^2- + 7H2O
  5. U

    Difficulty of the new syllabus

    who knows, guess we'll wait and see
  6. U

    Oral Health or Health Science At USYD?

    im not sure about specifics unis, but in general almost all entry pathways into dentistry (or med) require some combination of marks, GAMSAT and interviews. In terms of a health science degree, personally i wouldnt do one. Health science/premed degrees tend to target a specific audience- people...
  7. U

    Tariff Question

    previously, foreign producers fill the 300 quantity gap between supply and demand at $10, so revenue is $3000. With the tariff, foreign producers only fill a 100 quantity gap. While the price is $15, $5 goes directly to the government as 'government revenue'. So foreign producer revenue is only...
  8. U

    Bc. Sci (Maths and Stats) or Bc. Sci (Adv. Maths) when going into investment banking or finance?

    kinda similar q -> is it worth doing a degree in commerce at all, or to just focus on maths?
  9. U

    iPad or MacBook

    get a surface or smth if you want both the writing capability and the laptop bit. tbh i dont see the big appeal in tablets and apple pens and the such.
  10. U

    iPad or MacBook

    macbook pro 16 a bit overkill for hs aye
  11. U

    Why must a CAD equal a KAFA surplus?

    A derivation can come from the floating exchange rate. Supply of $A = Demand for $A Imports + Income outflow + Capital and Financial Outflow = Exports + Income inflow + Capital & Financial Inflow M - X + Income (outflow - inflow) = Capital and financial (inflow - outflow) The LHS is the deficit...
  12. U

    Hsc Units

    i assume this is for the 10 units that count towards your atar. If you do maths ext2, maths advanced never counts towards the atar. Instead, they count maths ext1 and maths ext2 as both 2 unit courses. Therefore, you still have an overall 16 units. Then they take the 10 best units, including 2...
  13. U

    SLEEP OR STUDY

    planning exactly what your going to do on the day is rlly good cos u can focus entirely on what ur meant to be doing instead of worrying about other tasks that might be stressing u out. This is even better when make a plan for the next day the evening before so you can go to bed knowing ur...
  14. U

    Does God exist?

    up the GONG
  15. U

    how many hours should i study for?

    an interesting thing about study timetables- make them flexible and lenient. Make sure u have allocated reasonable times and goals. Lots of people make study timetables when they are optimistic about their work and relatively relaxed- but when it comes to stressful times and actually following...
  16. U

    Probability question help

    tyty fixed. Imma make these mistakes in exams :(
  17. U

    Differential Equations question

    this a differential equation, so no. Itll be part of the power in the solution tho.
  18. U

    Probability question help

    ye like u said its just more practical. It doesn't tell you how many days the winter is, and the percentages and probabilities don't change dependent on how many days the winter has, u can make it a convenient number like 100.
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