Daily Practice
Higher
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11th January 1970
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 4. Work out y when x = 4.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 6 cm and an angle of 37°. Work out the side opposite that angle, to 1 decimal place.
- 3Probability Trees3 marks
4 of 10 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 5 and a maximum of 50. Work out the range.
- 5Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.
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