Daily Practice
Higher
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15th August 1990
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 7, 7, 12, 5. Write down the cumulative frequency at the end of the third class.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.9292... as a fraction in its simplest form.
- 3Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = x + 9 that passes through (2, -2).
- 4Speed and Density2 marks
A block has volume 125 cm^3 and density 8 g/cm^3. Work out its mass.
- 5SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 12 cm, 16 cm and 20 cm. Work out the angle opposite the 12 cm side, to 1 decimal place.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1990, including the monthly compilation PDF.