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  1. viennamotley


    Let the two expressions equal each other and solve for T using auxiliary angles.
  2. viennamotley

    Expense Ratio

    Thank you so much!! Didn't realise I shouldn't add COGS. I also doubt they'll be this complex; this is for an assessment task :)
  3. viennamotley

    Expense Ratio

    How did you get this?
  4. viennamotley

    Expense Ratio

    I calculated sales to be 37784 + 108 (other income) and expenses as 36914. Then put them into the ratio. I don't know what I'm doing wrong.
  5. viennamotley

    Mechanics Test

    Mechanics test. Solutions at end. Ignore question 10 and its solution.
  6. viennamotley

    Expense Ratio

    I've calculated the expense ratio (total expenses/sales) as 97.7%, but that seems really high. Would someone be able to double check that's the right answer? [For June 28 2020]
  7. viennamotley

    Projectile motion

    Is r defined anywhere?
  8. viennamotley

    Maths Help

    I'd say the question wants you to use auxiliary angles
  9. viennamotley

    What's the best nesa approved calculator for 4U?

    Oh yeah, that’s the one that does induction for you?
  10. viennamotley

    What's the best nesa approved calculator for 4U?

    Obviously the MP120-MGII! (Just make sure you bring a glue stick into your exams.)
  11. viennamotley

    Band 6 Chem???

    HOW. I just make notes from textbooks in my chem class, and my teacher doesn't really prep us for HSC questions or assessments, so I don't know what to do. Any tips on how to actually do well? (Also, I was thinking of getting one of those Excel books, are they worth it?) Thanks.
  12. viennamotley

    Business Studies report plz help

    So, I have 2 reports (600 words each, 2 case studies) due in a couple weeks: "examine why ethical behaviour and government regulation are important in marketing" and "explain how globalisation has affected marketing management" (they come straight from the syllabus). Any tips on getting started...
  13. viennamotley

    past hsc questions by topic

    If it's of any interest, the HSC question compilations come from SmarterMaths If you make an account as a teacher you can get a bunch for free, but for the full system, it's something crazy like $1,400/yr. There's a chance your teacher could have access to it, so you should definitely check with...
  14. viennamotley

    28/30 Complex Numbers (Fractals) Investigation (NESA)

    1 mark lost for not adequately showing how geometric series in Q.2.c was achieved 1 mark lost for not showing calculation of the modulus in Q.4.b EDIT: Plz don't plagiarise, that'd be so stupid.
  15. viennamotley

    What's necessary from Advanced?

    I started 4u this term and want to finish the advanced course over the summer holidays. I'm wondering what topics from advanced I 100% need to know for 3&4u as I want to maximise my time. I know it's good to know everything, but what stuff isn't important (unless it's all important)?