Higher
17th March 1976
- 1SOHCAHTOA (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.
- 2Probability Trees3 marks
A bag holds 4 red and 8 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 4, 5, 9, 7. Write down the cumulative frequency at the end of the third class.
- 4Standard Form2 marks
Work out (8 x 10^8) x (2 x 10^-6). Give your answer in standard form.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 2x - 5 that passes through (1, 12).
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