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    HSC Maths Exam Gets an F for Failing Our Students

    and herein lies the problem with the ATAR/HSC system "assuming your future study aligns with the subjects you took" The primary pathway into university from high school for most of the more "prestigeous" universities/courses (for worse, imo), is ATAR. ATAR has no concept of the subjects you...
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    equilibrium

    Pretty sure that yeah it'll shift to the left, since increase pressure -> increase concentration of all gases -> Le Chetalier's -> minimise change in concentration -> favour reverse reaction -> shift to left
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    Seriously - why the hell is English compulsory?

    According to https://educationstandards.nsw.edu.au/wps/portal/nesa/11-12/hsc/about-HSC/history-of-the-HSC It appears that English has always been compulsory (since the introduction of the HSC)
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    vectors application (forces?) qn

    This is really a physics question tbh (Cambridge moment) Think about the net force on the green mass. (Hint: F_{net} = ma, F_{net} = F_g - T) (nvm my sol was wong)
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    Atar Predictor

    All you can do at this point is wait and see. Have a backup plan for if you don't get the 69 atar required. Best of luck :)
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    is state rank still possible?

    That disadvantages MX1-only students from getting state rank. Some schools may not offer MX2, or a student may be accelerated, or a student may have missed some arbitary cuttoff for MX2 and significantly lifted their game (yes, this can happen). Why should such a student be excluded from SR?
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    is state rank still possible?

    Iirc this only works one way. MX1 results are taken into account for MX2 SRs but not MX2 for MX1.
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    is state rank still possible?

    Sorry but nearly impossible. You'll still get an amazing mark though! But probably no sr (generally need to drop 0-1 marks for sr, so even for a hard year, you're going to be outside of the sr range).
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    Subject Selection for Year 11, 2022

    Why would they make a class that forces you into standard and not just start w standard?? Whats the point
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    Mathematics Extension 1 HSC thoughts

    Two thoughts on notme's answers; I'm pretty sure that 13c is false. It says is g the inverse of f, NOT the inverse function of f. Isn't the inverse simply the reflection in y=x? This would mean that arcsin(x) is not the inverse as it doesn't cover the full range of the inverse. For 14d, isn't...
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    Physics and No Maths.

    There is no complicated maths in physics... it's all y10 or below math. Conceptually maths is helpful, but any actual use of maths is not complex
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    BoS trials Maths and Chemistry 2022

    Not sure if my method is actually correct. But what I essentially did was Define the binomial variable with a known n but an unknown p Use this to define the sample proporiton variable & the sample proportion's mean and standard deviation (in terms of p) From the question P(phat < 4%) = 2.5%...
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    BoS trials Maths and Chemistry 2022

    I'm interested, how do you do 14a in ext 1? That really threw me..
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    Can i get 90+ atar with these results?

    Most probably that's a bad decision. You can probably boost English with much less work as it would take to equally boost all your other subjects to compensate.
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    CASIO fx-8200 AU - new calculator coming next year.

    From that one photo; The menu: looks significantly more intuitive - but looks a bit slower to navigate - I don't have to think about the numbers I need to use to navigate to do things quickly after using the FX-100AU for a while. The blue is bad, largely cause of the contrast being poor...
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    atar estimate?

    Mate this guy asked for an atar estimate in 2021 and you gave it 11 months late, I don't think you're in a position to say skill issue
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    Am inforced to repeat

    This is a large problem as I don't believe you are eligible for an ATAR if you don't complete 12 units of year 11. Talk to your principal/deputy ASAP, and see what is ACTUALLY going on, as this should be a warning, not an actual N award.
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    Getting a 99+ with 2 units of music 1

    For sure you can do that. Do your best for externals and it will pull through
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    Can I still get an ATAR of 80+?

    rough school ranking?
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