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  1. Trebla

    The 2024 U.S. election thread 🇺🇸 🦅

    Tbh if the race is as close as people say it is, there won’t be anything interesting to note until tomorrow. Early results are not that meaningful given every state counts votes in their own way/order and are population/timezone dependent etc. It’s not like our federal elections where it’s...
  2. Trebla

    Maths Ext 2 Predictions

    How should the same idea/result be asked differently so that it doesn’t constitute a copyright breach according to you then? The fundamental premise of a copyright breach is that there is some sort of inherent “originality” or “creativity” with the expression in the first place. There is none...
  3. Trebla

    Maths Ext 2 Predictions

    I think calling that a "breach" of copyright is a bit overblown. For starters it's very obviously expressed in quite a different way to that textbook question. If you call that a copyright "breach" then that's like saying every generic differentiation or integration question is also a "breach"...
  4. Trebla

    WORST SCHOOL IN NSW?

    See https://www.abs.gov.au/statistics/labour/earnings-and-working-conditions/employee-earnings-and-hours-australia/may-2023#key-statistics Median weekly earnings were $1,300.00 for all employees That's because everyone lives in their own bubble, so naturally everyone has a skewed perspective...
  5. Trebla

    WORST SCHOOL IN NSW?

    From recent data, the median annual salary in Australia is about $65k whereas the average annual salary is about $98k (so obviously skewed by outlier high income earners). This is all before income tax and across all age groups (i.e. including experienced workers). For reference, for a typical...
  6. Trebla

    Maths Extension 1 Predictions/Thoughts

    The last question Q14d is similar to Q11b of the 2020 BoS Trials (but the converse) :)
  7. Trebla

    does scaling of my HSC mark happen before they average it with my assessment mark or after

    See this thread for details https://boredofstudies.org/threads/flowchart-of-how-hsc-marks-and-atar-are-determined.390261/
  8. Trebla

    BoS Trials Maths and Business Studies 2024

    ... and finally here are the marking guidelines and results for Business Studies! :sun: Congrats to the top student who scored 85, followed very closely by 83 in second place! Once again to remind everyone: Thank you to the students who participated in the Business Studies trial exam this...
  9. Trebla

    BoS Trials Maths and Business Studies 2024

    🔥 ... and now here are the solutions and marks for the Mathematics Extension 1 BoS trials! Similar to Mathematics Extension 2, please note that the question paper has been updated (which the solutions are aligned to) with some minor adjustments to a few questions. The updated file is attached...
  10. Trebla

    Maths Extension 1 Predictions/Thoughts

    In theory yes, but that misses the whole point of combinatorial arguments.
  11. Trebla

    Maths Extension 1 Predictions/Thoughts

    It was in 2020 HSC
  12. Trebla

    BoS Trials Maths and Business Studies 2024

    Actually, 81 is the highest mark a candidate has ever achieved in the BoS trials for Maths Ext2. The previous record was 80 achieved five years ago in 2019. Will reserve saying anything for Ext1 until those marks are finalised.
  13. Trebla

    Maths Ext 2 Predictions

    This is from the BoS trials 2024, see https://boredofstudies.org/threads/bos-trials-maths-and-business-studies-2024.410446/page-2
  14. Trebla

    Attempted assault with knives by organised group at private school

    That's not an excuse to derail the thread
  15. Trebla

    Maths Ext 2 Predictions

    You don't need to "learn" about the equations of planes per se, but you shouldn't be surprised if something like this pops up the in HSC. The only thing to "learn" is really to broaden your familiarity with applications of dot product.
  16. Trebla

    Maths Ext 2 Predictions

    Actually, the word "plane" is used everywhere in HSC Maths e.g. "complex plane", "x-y plane" or "inclined plane". It's even in one of the vector topic dot points: Seems pretty obvious that students are expected to know what the word "plane" actually means. Even if they don't explicitly use the...
  17. Trebla

    Maths Ext 2 Predictions

    That just means that you are not required to recall conceptual content specific to planes. However, it doesn't mean that it is ruled out from the "application" side of the syllabus. It is possible for an exam question to guide you into doing a vectors question on planes by derivation. For...
  18. Trebla

    Maths Ext 2 Predictions

    Actually, there are often parts in Q16 that are easy marks. For example, suppose a question has two parts where part (i) is a hard proof but part (ii) is hence deduce this using part (i). In many cases, part (ii) is quite easy so you can just skip straight to that to get some free marks. Also...
  19. Trebla

    Shore Mathematics Extension 2 Trial

    please do not derail the thread thanks
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