Daily Practice

Higher

8th January 1988

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 70°, angle B is 48° and side a is 16 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 9 are in A only, 6 in B only, 12 in both and 2 in neither. Work out the probability a random one is in both.
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
Standard Form3 marks
Work out (40 x 10^12) / (5 x 10^4). Give your answer in standard form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 3x + 2.

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