a. 2x + 7
Mathematics, 20.04.2020 19:09 marieb39
Which expression is equivalent to the following expression? 2(x + 7)
a. 2x + 7
b. 2x + 9
c. 2x + 14
d. x + 14
Answers: 3
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Answers: 1
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These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?
Answers: 2
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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
Which expression is equivalent to the following expression? 2(x + 7)
a. 2x + 7
a. 2x + 7
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