Daily Practice
Higher Plus
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19th August 1970
- 1Bounds3 marks
A rectangle is 29 cm by 27 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 2The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence -1, 12, 33, 62, ...
- 3Velocity Time Graphs2 marks
A train slows steadily from 35 m/s to rest in 4 seconds. Work out its deceleration.
- 4The Cosine Rule3 marks
A triangle has sides 8 cm, 13 cm and 7 cm. Work out the angle opposite the 8 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 7 red and n blue counters. The probability of taking a red is 7/13. Work out n.
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