Which expressions are equivalent to 1/81
? Check all that apply.
81
98
98
9...
Mathematics, 10.06.2020 21:57, janeou17xn
Which expressions are equivalent to 1/81
? Check all that apply.
81
98
98
970
9-6.93
95.9-7
Answers: 2
Mathematics, 21.06.2019 12:30, emmabarnett817
Which of the following transformations does not preserve congruence? * 5 points a. (x, y) β (y β 3, x β 3) b. (x, y) β (x + 5, y β 1) c. (x, y) β (y + 9, βx + 2) d. (x, y) β (3x + 1, 3y β 2)
Answers: 3
Mathematics, 21.06.2019 21:30, amesha62
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 22:30, jordan7626
Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.
Answers: 1
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