Daily Practice

Higher

15th December 1988

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 7 cm, 24 cm and 25 cm. Work out the angle opposite the 7 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 5 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Histograms2 marks
A histogram class is 20 units wide and contains 80 values. Work out the frequency density.
4
Fractional and Negative Indices3 marks
Work out 27^(2/3).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 3x - 3 that passes through (5, 16).

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