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​Q21: Question – Paper 3 – June 2018

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• Direct & Inverse Proportion – Square or Cubes​

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• Direct & Inverse Proportion – Square or Cubes

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Question

21)
​The mass of an ornament is m grams.
The height of the ornament is h centimetres.
m is directly proportional to the cube of h.
m = 1600 when h = 8

a) Work out an equation connecting m and h.

[3 marks]

b) Work out the mass of an ornament of height 12 centimetres.

[2 marks]

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