Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
21st March 2001
- 1Fractional and Negative Indices2 marks
Write 4^-3 as a fraction.
- 2Simultaneous Equations3 marks
4 teas and 3 cakes cost £14.25. 3 teas and 4 cakes cost £14.45. Find the price of a tea.
- 3Speed and Density2 marks
A block has volume 155 cm^3 and density 4 g/cm^3. Work out its mass.
- 4SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 19 cm and an angle of 47°. Work out the side adjacent to that angle, to 1 decimal place.
- 5Probability Trees3 marks
2 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
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