Higher Plus
17th June 1979
- 1Velocity Time Graphs2 marks
A train slows steadily from 16 m/s to rest in 10 seconds. Work out its deceleration.
- 2Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = m and vector OB = c. P is the point dividing AB in the ratio 1 : 3. Write vector OP in terms of m and c.
- 3Probability Equation Questions3 marks
The probability of winning a game is 3/8. A player expects 39 wins. How many games did they play?
- 4Histograms3 marks
On a histogram the bar for 30 < x <= 40 has a frequency density of 3.5. How many values are in that class?
- 5Bounds3 marks
x = 67 and y = 33, each correct to the nearest whole number. Work out the upper bound of x - y.
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