Daily Practice

Higher

14th August 1984

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 8 cm, 15 cm and 17 cm. Work out the angle opposite the 8 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 7 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture3 marks
60 newts are marked and released. Later 45 are caught, of which 9 are marked. Estimate the population.
4
Fractional and Negative Indices3 marks
Work out 125^(2/3).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -3x - 9 that passes through (6, -26).

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