Mathematics, 20.09.2020 07:01 qudoniselmore0
Find the axis of symmetry f(x) = 2x2 - 4x.
Answers: 1
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Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?
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Select the number of ways in which a line and a circle can intersect
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Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?
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Mathematics, 21.06.2019 21:30
In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
Find the axis of symmetry f(x) = 2x2 - 4x....
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