Foundation Plus
26th August 1986
- 1Forming and Solving Equations3 marks
The angles in a triangle are 4x°, x° and (x + 60)°. Form an equation and work out x.
- 2Compound Interest and Depreciation3 marks
£900 is invested at 4% compound interest per year. Work out the value after 4 years, to the nearest penny.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 8 cm and an angle of 47°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 6 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 20 and a maximum of 39. Work out the range.
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