Higher Plus
1st September 1962
- 1Rearranging Harder Formulae3 marks
Make x the subject of 5x + 3 = y(x + 3).
- 2Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 5 m/s to 12.5 m/s over 5 seconds. Work out the acceleration.
- 33d Pythagoras and Trigonometry3 marks
A cuboid measures 14 cm by 12 cm by 11 cm tall. Work out the angle between its longest internal diagonal and the base, to 1 decimal place.
- 4Conditional Probability3 marks
A bag holds 6 red and 3 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?
- 5Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 2.5, one 5 units wide with density 0.8. How many values in total?
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