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4th October 1993
- 1Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 200 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.888... as a fraction in its simplest form.
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 - 8x - 9.
- 4Repeated Percentage Change3 marks
A price rises by 20% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 80°, angle B is 68° and side a is 5 cm. Use the sine rule to work out side b, 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 October 1993, including the monthly compilation PDF.