Daily Practice
Higher
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10th January 1980
- 1Histograms2 marks
A histogram class is 5 units wide and contains 12.5 values. Work out the frequency density.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.666... as a fraction in its simplest form.
- 3Expanding Triple Brackets3 marks
Expand and simplify (x - 5)(x - 4)(x - 5).
- 4Repeated Percentage Change3 marks
A town's population is 10000 and grows by 4% each year. Work out the population after 5 years, to the nearest whole number.
- 5Pythagoras2 marks
A right-angled triangle has a hypotenuse of 29 cm and one shorter side of 20 cm. Work out the other shorter side.
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