Daily Practice - Higher
10th August 1994
- 1SOHCAHTOA (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.
- 2Probability Trees3 marks
A bag holds 8 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 7, 6, 9, 12. Write down the cumulative frequency at the end of the third class.
- 4Bounds2 marks
A mass is 80 kg, correct to the nearest 10. Write down the upper bound.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = x - 3 that passes through (6, 18).
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