Mathematics, 23.10.2019 23:00 BaileyElizabethRay
Each of 13 refrigerators of a certain type has been returned to a distributor because of an audible, high-pitched, oscillating noise when the refrigerators are running. suppose that 8 of these refrigerators have a defective compressor and the other 5 have less serious problems. if the refrigerators are examined in random order, let x be the number among the first 6 examined that have a defective compressor. (a) calculate p(x = 4) and p(x ≤ 4). (round your answers to four decimal places.)
Answers: 3
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Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x
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Mathematics, 21.06.2019 21:30
Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?
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There are a total of 75 students in the robotics club and science club. the science club has 9 more students than the robotics club. how many students are in the science club?
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Each of 13 refrigerators of a certain type has been returned to a distributor because of an audible,...
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