Higher Plus
4th March 1976
- 1Velocity Time Graphs2 marks
A train slows steadily from 16 m/s to rest in 5 seconds. Work out its deceleration.
- 2Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = p and vector OB = m. M is the point dividing AB in the ratio 1 : 2. Write vector OM in terms of p and m.
- 3Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 12 wins. How many games did they play?
- 4Histograms3 marks
On a histogram the bar for 20 < x <= 30 has a frequency density of 1.2. How many values are in that class?
- 5Surds3 marks
Simplify sqrt(20) + sqrt(245), giving your answer in the form a sqrt(b).
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