Does this graph represent a function? why or why not?
...
Answers: 2
Mathematics, 21.06.2019 17:30
Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2
Answers: 3
Mathematics, 21.06.2019 17:30
Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?
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, 16.06.2020 22:57
Social Studies, 16.06.2020 22:57
Mathematics, 16.06.2020 22:57
Mathematics, 16.06.2020 22:57
English, 16.06.2020 22:57
Mathematics, 16.06.2020 22:57
Mathematics, 16.06.2020 22:57
English, 16.06.2020 22:57
Mathematics, 16.06.2020 22:57
Mathematics, 16.06.2020 22:57
English, 16.06.2020 22:57