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# According to the graph how much is your monthly income if your purchasing power is \$3000   ### Another question on Mathematics Mathematics, 21.06.2019 14:30
Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error. Mathematics, 21.06.2019 18:10
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial Mathematics, 21.06.2019 19:40
The coordinates of ab, and in the diagram are a{p.4), 8(6.1), and c(9.9). which equation correctly relates p and q? hint since ab is perpendicular to bc the slope of ab x the slope of bc = Mathematics, 21.06.2019 21:10
What is the equation of a line passing through (-6,5) and having a slope of 1/3
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