Daily Practice - Higher
14th January 1994
- 1Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
- 2Standard Form2 marks
Work out (6 x 10^6) x (7 x 10^5). Give your answer in standard form.
- 3Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -x + 9 that passes through (4, 8).
- 4Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 27. Work out y when x = 14.
- 5SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 9 cm, 12 cm and 15 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.
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