Daily Practice

Higher

29th September 1989

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 9 cm, 12 cm and 15 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 6 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
4
Fractional and Negative Indices2 marks
Write 2^-1 as a fraction.
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 5x + 2 that passes through (4, 11).

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