Mathematics, 06.11.2019 21:31 pipo5699
The inside diameter of a randomly selected piston ring is a random variable with mean value 15 cm and standard deviation 0.06 cm. (a) if x is the sample mean diameter for a random sample of n = 16 rings, where is the sampling distribution of x centered and what is the standard deviation of the x distribution? (enter your standard deviation to five decimal places.)
Answers: 1
Mathematics, 21.06.2019 13:00
The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.
Answers: 1
Mathematics, 21.06.2019 13:30
Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(โ6x โ 3) linear function; linear term: โ21x; constant term: โ6 linear function; linear term: โ18x2; constant term: โ6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: โ6 quadratic function; quadratic term: โ18x2; linear term: โ21x; constant term: โ6
Answers: 3
Mathematics, 21.06.2019 17:00
If f(x) = 2x - 6 and g(x) = 3x + 9, find (f - g)(x). a. (f-g)(x) = x + 15 o o b. (f- g)(x) = -x - 15 o c. (f- g)(x) = 5x + 3 o d. (f- g)(x) = -x+3 submit
Answers: 2
Mathematics, 21.06.2019 18:30
Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =
Answers: 1
The inside diameter of a randomly selected piston ring is a random variable with mean value 15 cm an...
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