 , 05.01.2020 17:31 jazmaine1217

What is the directrix of the parabola given by the equation y = –5x2 + 60x – 176?   Another question on Mathematics Mathematics, 21.06.2019 22:00
Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s). Mathematics, 22.06.2019 00:30
What are two numbers that have a sum of 15? Mathematics, 22.06.2019 03:00
For the following equations, find the ratio of a to b. be sure to show all of your work. a. 3a = 6b b. 15a = 5b Mathematics, 22.06.2019 03:40
Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling company’s specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?
What is the directrix of the parabola given by the equation y = –5x2 + 60x – 176?...
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