Daily Practice

Higher

21st March 1989

5 questions · 14 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 10 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture3 marks
30 fish are marked and released. Later 45 are caught, of which 5 are marked. Estimate the population.
4
Standard Form2 marks
Work out (4 x 10^5) x (2 x 10^-2). Give your answer in standard form.
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -2x + 9 that passes through (3, -15).

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