Mathematics, 11.03.2021 06:10 michaelwthms
Point K is rotated 90º. The coordinate of the pre-image point K was (2,-6) and its image K’ is at the coordinate (-6,-2) Find the direction of the rotation. The direction of rotation was..
Answers: 2
Mathematics, 21.06.2019 18:00, tmrsavage02p7cj16
Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?
Answers: 1
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
Point K is rotated 90º. The coordinate of the pre-image point K was (2,-6) and its image K’ is at th...
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