Mathematics, 04.04.2020 06:07 gensevilla54
It should take 5.22 minutes to clean a shower. You have 5 showers that need to be cleaned. How many minutes should it take for you to clean all 5?
Answers: 3
Mathematics, 21.06.2019 13:00
Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds
Answers: 1
Mathematics, 21.06.2019 19:00
How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution
Answers: 2
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
Mathematics, 21.06.2019 23:30
Simplify (8x2 โ 1 + 2x3) โ (7x3 โ 3x2 + 1). โ5x3 + 11x2 โ 2 5x3 โ 11x2 + 2 x3 + 2x2 + x3 x3 โ 2x2 โ x3
Answers: 1
It should take 5.22 minutes to clean a shower. You have 5 showers that need to be cleaned. How many...
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