Higher
6th September 1963
- 1Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
- 2Standard Form2 marks
Work out (6 x 10^5) x (4 x 10^5). Give your answer in standard form.
- 3Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -5x + 3 that passes through (6, -31).
- 4Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 15. Work out y when x = 12.
- 5SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 7 cm, 24 cm and 25 cm. Work out the angle opposite the 7 cm side, to 1 decimal place.
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