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2 marksChanging the Subject of Formulae

CSEC Mathematics · May/June 2013 · Paper 2 · Question 2(b)(i)

The question involves changing the subject of a formula and evaluating it.

Make C the subject of the formula F = 9/5 C + 32.

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Other parts of this question

  1. 2(a)(i)Factorize completely: 2x² - 8x.[2 marks]
  2. 2(a)(ii)Factorize completely: 3x² - 5x - 2.[2 marks]
  3. 2(b)(ii)Given that F = 113, calculate the value of C.[1 mark]
  4. 2(c)(i)a)Write an expression, in terms of x, for the number of tickets sold at $10 each.[1 mark]
  5. 2(c)(i)b)Write an expression, in terms of x, for the TOTAL amount of money collected for the sale of the 500 tickets.[1 mark]
  6. 2(c)(ii)Calculate the number of tickets sold at $6 each.[3 marks]

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