Daily Practice - Higher
8th September 1993
- 1SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 20 cm, 21 cm and 29 cm. Work out the angle opposite the 20 cm side, to 1 decimal place.
- 2Probability Trees3 marks
A bag holds 8 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 8, 5, 5, 8. Write down the cumulative frequency at the end of the third class.
- 4The Product Rule for Counting2 marks
A meal deal has 6 mains, 9 sides and 3 drinks. How many different meals are possible?
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 4x + 7 that passes through (6, 18).
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