Daily Practice - Higher
13th November 1996
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 - 10x + 24.
- 2Speed and Density2 marks
A block has volume 100 cm^3 and density 11 g/cm^3. Work out its mass.
- 3The Sine Rule3 marks
In triangle ABC, angle A is 31°, angle B is 95° and side a is 11 cm. Use the sine rule to work out side b, to 1 decimal place.
- 4Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 15 in B only, 3 in both and 10 in neither. Work out the probability a random one is in both.
- 5Cumulative Frequency2 marks
Four classes in order have frequencies 12, 3, 4, 8. Write down the cumulative frequency at the end of the third class.
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