Daily Practice - Higher
19th June 1993
- 1Standard Form2 marks
Work out (8 x 10^3) x (8 x 10^-2). Give your answer in standard form.
- 2Simultaneous Equations3 marks
3 teas and 1 cake cost £7.40. 1 tea and 5 cakes cost £13.20. Find the price of a tea.
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 72. Work out y when x = 7.
- 4SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 24 cm and an angle of 68°. Work out the side adjacent to that angle, to 1 decimal place.
- 5Probability Trees3 marks
3 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
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