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  1. Trebla

    Selective schools debate

    Not Ruse, but here is the ATAR distribution for Sydney Boys http://www.sydneyboyshigh.com/publications/document-library/doc_view/7845-atar-breakdown-2001-2018 Out of 207 students in 2018, 52 (roughly 25%) got ATARs below 90 and 25 (roughly 12%) got ATARs in the 70s or less. So basically, if...
  2. Trebla

    Selective schools debate

    Are you assuming an 80 in Ruse (with a mean of 94) is equivalent to a rank 2nd in rank 300 school? There is a lot of missing information you need to make that kind of conclusion, such as what the distribution of marks are across the cohort in the external exam for both schools. If the person...
  3. Trebla

    Australian Fires 2019/2020

    Who decided that the social media advertisement promoting ScoMo’s military assistance was a good idea? Even worse was that they apparently had a Donate button, which was for donations to the Liberal Party (albeit for a brief while before being taken down). It doesn’t take a genius to know how...
  4. Trebla

    Internships at the big banks

    Wow blast from the past....
  5. Trebla

    Further Vectors help

    What do you end up with in your working?
  6. Trebla

    HSC 2019 NSW School Ranking

    Top 10 Schools in Maths https://www.smh.com.au/national/nsw/no-phones-no-laptops-the-sydney-schools-that-topped-hsc-mathematics-20191218-p53l7f.html
  7. Trebla

    HSC 2019 NSW School Ranking

    Top 10 schools in English https://www.smh.com.au/national/nsw/stick-with-your-courage-advice-pays-off-for-emily-as-her-school-tops-hsc-english-20191217-p53kvy.html
  8. Trebla

    2019 HSC Top Achievers (state ranks)

    https://educationstandards.nsw.edu.au/wps/portal/nesa/11-12/hsc/results-certificates/merit-lists/top-achievers-in-course
  9. Trebla

    HSC 2019 NSW School Ranking

    Conservatorium High School came 2nd with just 34 students - that was unexpected... If they had just 8 more band 6s they would’ve beaten Ruse lol
  10. Trebla

    HSC 2019 First in Course

    Either that or you guys got trolled
  11. Trebla

    HSC 2019 First in Course

    I thought state ranks were always released the same day as the HSC marks themselves. Only First in Course gets released a day or two in advance
  12. Trebla

    HSC 2019 First in Course

    https://educationstandards.nsw.edu.au/wps/portal/nesa/11-12/hsc/results-certificates/merit-lists/first-in-course 8 people topped Mathematics Advanced lol
  13. Trebla

    Need help with complex numbers identity

    Not as elegant but a more intuitive approach is to use the vector rotations. \text{Let }\angle OAC = \alpha\:\text{and}\:\angle OCB = \beta\:\text{then} \dfrac{z}{|\overrightarrow{AO}|}e^{i\alpha}=\dfrac{1-z}{|\overrightarrow{AC}|} e^{i\alpha} = \dfrac{|z|(1-z)}{z|1-z|} Similarly...
  14. Trebla

    Terry Lee Square Root

    It’s nothing more than just mentally guessing the solutions to two simulataneous equations lol
  15. Trebla

    Moderator application form

    Bump! FYI we are looking for multiple moderators...
  16. Trebla

    Maths Practice Papers New Syllabus!

    I don’t think they can assess random 3u topics anymore, unless they’re incorporated in an actual 4u topic
  17. Trebla

    Moderator application form

    As mentioned in the post, there is no hard checklist (like post count) used to recruit a moderator. Either way, quality of the posts would matter over quantity.
  18. Trebla

    Moderator application form

    Do you want to be part of the Bored of Studies team? :bosman: Ever since 2002, Bored of Studies has been committed to helping students in one of the most important years of their lives. We are proud to be making a difference to the student community for so many years and will strive to continue...
  19. Trebla

    Euler's Theorem

    The syllabus treats Euler’s formula as if it is a definition rather than an actual result. That means the only benefit of introducing it is simply notation. But doing so does not explain why you can suddenly exponentiate a complex number and why this suddenly relates to the polar form of...
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