Mathematics > GCSE QUESTION PAPER > Pearson Edexcel International GCSE. Mathematics A Paper 1HR Higher Tier. Rated A+ (All)
Pearson Edexcel International GCSE. Mathematics A Paper 1HR Higher Tier. Rated A+
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International GCSE Mathematics Formulae sheet – Higher Tier Arithmetic series Sum to n terms, S n = n2 [2a + (n – 1)d] Area of trapezium = 1 2 (a + b)h b a h The quadratic equation ... The solutions of ax2 + bx + c = 0 where a ¹ 0 are given by: x b b ac a = − ± 2 − 4 2 Trigonometry A B C b a c In any triangle ABC Sine Rule a A b B c sin sin sinC = = Cosine Rule a2 = b2 + c2 – 2bccos A Area of triangle = 1 2 ab sin C Volume of cone = 1 3 πr 2h Curved surface area of cone = πrl r l h Volume of prism = area of cross section × length cross section length Volume of cylinder = πr2h Curved surface area of cylinder = 2πrh r h Volume of sphere = 4 3 πr 3 Surface area of sphere = 4πr2 r*P66298A0328* Turn over 3 Answer ALL TWENTY TWO questions. Write your answers in the spaces provided. You must write down all the stages in your working. 1 Show that 3 1 5 ×1 5 6 = 5 13 15 (Total for Question 1 is 3 marks)4 *P66298A0428* 2 Given that a < b < c the four whole numbers a, a, b and c have a mode of 7 a median of 8.5 a mean of 9 Work out the value of a, the value of b and the value of c. [Show More]
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