Daily Practice - Higher Plus
27th October 1995
- 1Velocity Time Graphs2 marks
A train slows steadily from 17 m/s to rest in 5 seconds. Work out its deceleration.
- 2The Cosine Rule3 marks
A triangle has sides 19 cm, 16 cm and 8 cm. Work out the angle opposite the 19 cm side, to 1 decimal place.
- 3Probability Equation Questions3 marks
A bag holds 3 red and n blue counters. The probability of taking a red is 3/7. Work out n.
- 4Histograms3 marks
On a histogram the bar for 50 < x <= 60 has a frequency density of 1.5. How many values are in that class?
- 5Surds3 marks
Rationalise the denominator of 49/sqrt(7), giving your answer in its simplest form.
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