Mathematics, 31.03.2021 01:00 ciarrap552
A rectangle has length 8 cm The rectangle has area 20 cm2 The length of the rectangle is increased by 2 cm The area of the rectangle is increased by 4 cm2 Noah says, “The width of the rectangle decreases by less than 5%” Is Noah correct? You must show how you get your answer.
Answers: 3
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Which is the equation of a line perpendicular to the line with the equation 3x+4y=8
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The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?
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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
A rectangle has length 8 cm The rectangle has area 20 cm2 The length of the rectangle is increased b...
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