Mathematics, 13.07.2019 14:30 lexiecooley
Find the sum. simplify completely. show work. 1. 8/9 + 2/3=2. 5/6 + 12/15=3. 5 1/3 + 2 1/4=4. 3/4 + 6/7=
Answers: 1
Mathematics, 21.06.2019 18:00
Need on this geometry question. explain how you did it.
Answers: 2
Mathematics, 21.06.2019 18:00
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
Answers: 2
Mathematics, 21.06.2019 20:10
Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?
Answers: 1
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 sum. simplify completely. show work. 1. 8/9 + 2/3=2. 5/6 + 12/15=3. 5 1/3 + 2 1/4=4. 3/4 +...
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