Daily Practice

Higher

30th November 1967

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 42°, angle B is 80° 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, 10 are in A only, 10 in B only, 7 in both and 5 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 5 units wide and contains 12.5 values. Work out the frequency density.
4
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.9393... as a fraction in its simplest form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 7x - 8.

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