Daily Practice

Higher

28th October 1988

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 7 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 newt population of a stream. State one assumption the method relies on.
4
Bounds2 marks
A mass is 28 kg, correct to the nearest whole number. Write down the upper bound.
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -2x - 5 that passes through (1, 6).

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