Daily Practice
Higher
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12th September 1976
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 24. Work out y when x = 12.
- 2Finding the Area of Any Triangle3 marks
A triangle has sides of 7 cm and 17 cm with an angle of 153° between them. Work out its area, to 1 decimal place.
- 3Probability Trees3 marks
4 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Box Plots2 marks
A box plot has a minimum of 9 and a maximum of 45. Work out the range.
- 5Fractional and Negative Indices3 marks
Work out 8^(2/3).
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