Foundation Plus
25th June 1984
- 1Forming and Solving Equations3 marks
The angles in a triangle are 4x°, x° and (x + 72)°. Form an equation and work out x.
- 2Repeated Percentage Change3 marks
A town's population is 32500 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 11 cm and an angle of 45°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 9 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has a minimum of 16 and a maximum of 76. Work out the range.
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