Mathematics, 14.04.2020 21:23 briannaseaton123
What are the vertices of the hyperbola whose equation is (x+7)^2/25-(y-8)^2/32= 1?(β13, 8) and (β1, 8)
(β12, 8) and (β2, 8)
(β7, 2) and (β7, 14)
(β7, 3) and (β7, 13)
Answers: 2
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The nature park has a pride of 5 adult lions and 3 cubs. the adults eat 8 pounds of meat each day and the cubs eat 4 pounds. how much meat do the cubs and lions eat?
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Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b
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Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12
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Jobs and productivity! how do retail stores rate? one way to answer this question is to examine annual profits per employee. the following data give annual profits per employee (in units of 1 thousand dollars per employee) for companies in retail sales. assume Ο β 4.0 thousand dollars. 3.7 6.7 3.6 8.5 7.5 5.9 8.7 6.4 2.6 2.9 8.1 β1.9 11.9 8.2 6.4 4.7 5.5 4.8 3.0 4.3 β6.0 1.5 2.9 4.8 β1.7 9.4 5.5 5.8 4.7 6.2 15.0 4.1 3.7 5.1 4.2 (a) use a calculator or appropriate computer software to find x for the preceding data. (round your answer to two decimal places.) thousand dollars per employee (b) let us say that the preceding data are representative of the entire sector of retail sales companies. find an 80% confidence interval for ΞΌ, the average annual profit per employee for retail sales. (round your answers to two decimal places.) lower limit -- thousand dollars upper limit -- thousand dollars (c) let us say that you are the manager of a retail store with a large number of employees. suppose the annual profits are less than 3 thousand dollars per employee. do you think this might be low compared with other retail stores? explain by referring to the confidence interval you computed in part (b). yes. this confidence interval suggests that the profits per employee are less than those of other retail stores. no. this confidence interval suggests that the profits per employee do not differ from those of other retail stores. correct: your answer is correct. (d) suppose the annual profits are more than 6.5 thousand dollars per employee. as store manager, would you feel somewhat better? explain by referring to the confidence interval you computed in part (b). yes. this confidence interval suggests that the profits per employee are greater than those of other retail stores. no. this confidence interval suggests that the profits per employee do not differ from those of other retail stores. (e) find an 95% confidence interval for ΞΌ, the average annual profit per employee for retail sales. (round your answers to two decimal places.) lower limit 3.75 incorrect: your answer is incorrect. thousand dollars upper limit 6.41 incorrect: your answer is incorrect. thousand dollars
Answers: 3
What are the vertices of the hyperbola whose equation is (x+7)^2/25-(y-8)^2/32= 1?(β13, 8) and (β1,...
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