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  1. S

    Maths 4U scaling

    Hey guys! I was just wondering, what would a raw mark of say 85/100 to 90/100 ish in 4U maths scale to for the final HSC mark after scaling? Thank you!
  2. S

    Force and Newton's three laws of motion questions

    Why does a car take longer to stop is brakes are applied too hard? When you try to push a broken-down car with its handbrake still on, it does not move. Explain other forces that are acting on the car to produce a net force of zero. Thanks! :)
  3. S

    trigonometry questions :)

    thank you so much! so i'm just curious, what's your strategy with questions like these? how would you tackle them?
  4. S

    trigonometry questions :)

    Please help with these questions! If tanx = t, find values for t for which (k+1)sin2x + (k-1)cos2x = k+1. If tanA = ktanB, show that (k-1)sin(A+B) = (k+1)sin(A-B). Thanks in advance!
  5. S

    blue fitzpatrick geometry questions!

    Hello! Those who have the New Senior Mathematics: three unit course for years 11&12 by JB Fitzpatrick, does anyone have solutions to Exercises 20(c) questions 28, 35-41 and Exercise 20(d) questions 10, 18-26? If you would like me to type up the questions I will! Haha it's just that there's way...
  7. S

    Random surd question :)

    thank you guys!
  8. S

    Random surd question :)

    How do you do this question: Express root(11-6root2) as a+broot2 where a and b are rational. Thank you!</SPAN>
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