Use the quadratic formula to
solve the equation 5X²+3x-1=0...
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Mathematics, 22.06.2019 02:00
Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?
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Mathematics, 22.06.2019 02:10
On monday, the water was shut off 3 times for 1/4 hours, 2/3 hours, and 1-3/4 hours, respectively. what was the tireless number of hours the water was off?
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Mathematics, 22.06.2019 04:30
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.
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Mathematics, 22.06.2019 06:00
Acompany sells crushed rock in 16-pound bags each bag contains a mixture of quarts and marble
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