Daily Practice - Higher Plus
24th February 1996
- 1Velocity Time Graphs2 marks
A train slows steadily from 29 m/s to rest in 8 seconds. Work out its deceleration.
- 2The Cosine Rule3 marks
A triangle has sides 13 cm, 11 cm and 14 cm. Work out the angle opposite the 13 cm side, to 1 decimal place.
- 3Probability Equation Questions3 marks
A bag holds 8 red and n blue counters. The probability of taking a red is 8/11. Work out n.
- 4Histograms3 marks
On a histogram the bar for 60 < x <= 80 has a frequency density of 3.5. How many values are in that class?
- 5Bounds3 marks
A car covers 250 m (to the nearest 10 m) in 8 s (to the nearest second). Work out the lower bound of its speed, to 2 decimal places.
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