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Identify the number 127 as a rational or irrational. explain
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Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
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(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.
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Evaluate. 72 - 3 + 9 × 8 ÷ 2 w =...
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