Mathematics, 10.05.2021 07:30 AJRL2005
The area of a rectangular rug is given by the trinomial r^2 - 6r -55. What are the possible dimensions of the rug? Use factoring.
Answers: 3
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Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.
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Mathematics, 21.06.2019 18:30
How to use order of operation in 20 divide by 4 multiply 5 = 1
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Mathematics, 21.06.2019 19:00
Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?
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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
The area of a rectangular rug is given by the trinomial r^2 - 6r -55. What are the possible dimensio...
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