Answer ALL questions - Maths Tallis

If your calculator does not have a π button, take the value of π to be 3.142 unless the question instructs otherwise. ... AB = AC (a) Explain why 3x – 10 = x + 30 ... She uses a sample size of 50 people stratified by age group. (b) Work out the number of people over 60 years of age in the sample. ... ................
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