Daily Practice
Higher Plus
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9th September 1966
- 1Surds3 marks
Rationalise the denominator of 49/sqrt(7), giving your answer in its simplest form.
- 2Quadratic Simultaneous Equations3 marks
Solve x^2 + y^2 = 169 and y = x + 7 simultaneously.
- 3Velocity Time Graphs2 marks
A train slows steadily from 26 m/s to rest in 10 seconds. Work out its deceleration.
- 4The Cosine Rule3 marks
A triangle has sides 10 cm, 15 cm and 15 cm. Work out the angle opposite the 10 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 4 red and n blue counters. The probability of taking a red is 4/9. Work out n.
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