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Mathematics, 21.06.2019 14:00
After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(β3, 1), s'(β3, 5)b.r'(β1, 3), s'(β5, 3)c.r'(1, 3), s'(5, 3)d.r'(5, 3), s'(1, 3)
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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.
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Mathematics, 22.06.2019 01:00
What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?
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