Find the measure of angle x
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Answers: 2
Mathematics, 21.06.2019 13:30
Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.
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
Mathematics, 22.06.2019 03:40
What is the value of -3/4 to the 4th power? -256/81 -81/256 81/256 256/81
Answers: 3
Health, 03.01.2020 01:31
English, 03.01.2020 01:31
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Health, 03.01.2020 01:31
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Mathematics, 03.01.2020 01:31