Mathematics, 01.10.2019 05:50 MartinTDL
Gina has an meeting in 45 min. she is driving at a rate of 30 mi/h. if she is 24 mi away, will she arrive on time? if not, how early or late will she be?
Answers: 1
Mathematics, 21.06.2019 21:00
The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length
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, 22.06.2019 03:30
The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?
Answers: 1
Mathematics, 22.06.2019 07:30
Kite abcd is rotated 180 degrees clockwise about the origin and then reflected over the y-axis, followed by a reflection over the x-axis. what is the location of point a after the transformations are complete?
Answers: 1
Gina has an meeting in 45 min. she is driving at a rate of 30 mi/h. if she is 24 mi away, will she a...
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