Daily Practice · Higher
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10th January 1993
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 15. Work out y when x = 3.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 19 cm and an angle of 56°. Work out the side adjacent to that angle, 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 2 and a maximum of 53. Work out the range.
- 5Fractional and Negative Indices2 marks
Write 6^-2 as a fraction.
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