Evaluate the function. f(x) = -x^2+6x-18
Find f(−3)...
Answers: 1
Mathematics, 20.06.2019 18:04
Draw out the fraction then show how you would subtract 5 1/4
Answers: 2
Mathematics, 22.06.2019 01:30
Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.
Answers: 1
Mathematics, 22.06.2019 02:00
16x^2-16x=5 solve the equation by completing the square
Answers: 3
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.
Answers: 1
Social Studies, 15.10.2019 03:10
Mathematics, 15.10.2019 03:10
Chemistry, 15.10.2019 03:10