Daily Practice

Higher

4th May 1984

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 80°, angle B is 42° and side a is 7 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 4 are in A only, 7 in B only, 11 in both and 10 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
4
Standard Form2 marks
Work out (4 x 10^6) x (7 x 10^6). Give your answer in standard form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 15x + 54.

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