Give the rule for rotating 270 degrees counterclockwise?
(x, y)--> (-x,-y)
(x, y)--> (y...
Mathematics, 12.11.2020 22:30 nora45102p45bzz
Give the rule for rotating 270 degrees counterclockwise?
(x, y)--> (-x,-y)
(x, y)--> (y,-x)
(x, y)--> (-y, x)
Answers: 3
Mathematics, 21.06.2019 18:30
Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)
Answers: 1
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Answers: 3
Mathematics, 21.06.2019 23:00
Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?
Answers: 2
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