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  1. Z

    ATAR Estimate

    School rank usually 100-120 Subject Marks Rank Band 6s (2019) Band 6s (2018) English Adv 77 23/78 0 4 Maths Ext 1 98 1/29 6 6 Maths Ext 2 76 2/5 0 2 Physics 88 2/10 0 5 Economics 92 1/20 0 0 SOR I Already done accelerated and received HSC mark of 92.
  2. Z

    Economics Case Study

    How necessary is it to have essay level knowledge of my case study? Would I be able to do well by preparing elsewhere and just not picking the case study option?
  3. Z

    Intersection of Line Segments

    Consider pair of line segments: 2i + 3j + lambda(-2i + 3j) and 6i + 2j + lambda(i - 4j) What coordinate is the intersection of both segments?
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    Combinatorics Year 11 Question

    That's what I got but the answers have some number around 145000
  5. Z

    Combinatorics Year 11 Question

    How many ways are there to arrange 10 people around 2 tables, 1 oak and 1 mahogany, with 5 at each table?
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    Electromagnetism help

    Anyone help with this question please.
  7. Z

    Horizontal Resisted Motion Questions

    This is ext 2
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    Horizontal Resisted Motion Questions

    I can't seem to calculate these questions, help would be appreciated. 1. A 14kg object is rolling along a horizontal path at 21 m/s. If frictional forces amount to 1.2 times its speed, what will its speed be after 11s? 2. A bicycle is free-wheeling along a horizontal path at 33 m/s. If its...
  9. Z

    Proof question help.

    Can anyone help answer this question. Prove by contradiction that given three non-collinear points in a plane, there exists one and only one circle through these three points.
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    Help with Electromagnetism question

    Can someone please explain how to find the answer to this question. Thanks.
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