Higher
11th November 1987
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 6, 6, 3, 6. Write down the cumulative frequency at the end of the third class.
- 2Bounds2 marks
A mass is 21.4 kg, correct to 1 decimal place. Write down the lower bound.
- 3Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 2x + 9 that passes through (4, 13).
- 4Speed and Density2 marks
A block has volume 185 cm^3 and density 2.5 g/cm^3. Work out its mass.
- 5SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 8 cm, 15 cm and 17 cm. Work out the angle opposite the 8 cm side, to 1 decimal place.
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