Daily Practice

Higher

24th January 1986

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

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 9 cm, 40 cm and 41 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 9 red and 3 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 beetle population of a woodland. State one assumption the method relies on.
4
Fractional and Negative Indices3 marks
Work out 36^(3/2).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -4x - 2 that passes through (2, -11).

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