Igcse数学历年真题.docx

4400/4H Edexcel IGCSE Mathematics Paper 4H Higher Tier Friday 11 June 2010 – Afternoon Time: 2 hours Materials required for examination Ruler graduated in centimetres and millimetres, protractor, compasses, pen, HB pencil, eraser, calculator. Tracing paper may be used. Instructions to Candidates Items included with question papers Nil In the boxes above, write your centre number, candidate number, your surname, initials and signature. Check that you have the correct question paper. Answer ALL the questions. Write your answers in the spaces provided in this question paper. You must NOT write on the formulae page. Anything you write on the formulae page will gain NO credit. If you need more space to complete your answer to any question, use additional answer sheets. Information for Candidates The marks for individual questions and the parts of questions are shown in round brackets: e.g. (2). There are 22 questions in this question paper. The total mark for this paper is 100. You may use a calculator. Advice to Candidates Write your answers neatly and in good English. This publication may be reproduced only in accordance with Edexcel Limited copyright policy. N36905A?2010 Edexcel Limited. N36905A Printer’s Log. No. 精品文档 精品文档 . . IGCSE MATHEMATICS 4400 FORMULA SHEET –HIGHER TIER Answer ALL TWENTY TWO questions. Write your answers in the spaces provided. You must write down all stages in your working. Solve 6 y –9 = 3 y + 7 y = (Total 3 marks) The diagram shows two towns, A and B, on a map. By measurement, find the bearing of B from A. C is another town. The bearing of C from A is 050?. Find the bearing of A from C.  ? (2) ? (2) (Total 4 marks) A spinner can land on red or blue or yellow. The spinner is biased. The probability that it will land on red is 0.5 The probability that it will land on blue is 0.2 Imad spins the spinner once. Work out the probability that it will land on yellow. (2) Janet spins the spinner 30 times. Work out an estimate for the number of time