Higher
1st September 1960
- 1Spheres and Cones3 marks
A cone has base radius 3 cm and vertical height 3 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 5 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Histograms2 marks
A histogram class is 4 units wide and contains 10 values. Work out the frequency density.
- 4Standard Form2 marks
Work out (2 x 10^8) x (9 x 10^2). Give your answer in standard form.
- 5Inequalities on Graphs2 marks
A region is defined by y < -2x - 9. Should the boundary line be solid or dashed, and why?
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