Foundation Plus
7th January 1982
- 1Substitution3 marks
Use v = u + at with u = 9, a = 8 and t = 5. Work out v.
- 2Speed and Density2 marks
A block has volume 60 cm^3 and density 2.5 g/cm^3. Work out its mass.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 13 cm and an angle of 58°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 3 red and 9 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 136 values. What cumulative frequency do you read across from to estimate the lower quartile?
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