Daily Practice · Higher

Daily Practice - Higher

17th June 1994

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 44° and side a is 15 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 14 in B only, 9 in both and 8 in neither. Work out the probability a random one is in both.
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
Standard Form2 marks
Work out (8 x 10^7) x (9 x 10^6). Give your answer in standard form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 18x + 81.

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