Mathematics, 17.07.2020 20:01 dleflore80
Factor completely 2x2 − 2x − 40. 2(x − 5)(x + 4) (2x − 10)(x + 4) (x − 5)(2x + 8) 2(x − 4)(x + 5)
Answers: 2
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You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?
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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
Factor completely 2x2 − 2x − 40. 2(x − 5)(x + 4) (2x − 10)(x + 4) (x − 5)(2x + 8) 2(x − 4)(x + 5)...
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