Mathematics, 08.12.2020 01:00 Serenitybella
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George has two different sprinklers. The first sprinkler waters an arc of 42 yd, and has a radius of 21 ft. If the second sprinkler waters the same central angle, and has a radius of 27 ft, what is the length of the arc it waters?
36 yd.
48 yd.
13.5 yd.
54 yd.
3. Two circles are concentric, and have radii of 15 and 25 respectively. If two arcs are formed by the same central angle, which of the following are possible arc lengths? Select the two correct answers.
30 and 40
3 and 5
60 and 90
45 and 75
50 and 80
4.Two circles are concentric. Two arcs are formed by the same central angle, with arc lengths of 54 and 81 respectively. Which of the following are possible radii for the circles? Select the two correct answers.
12 and 18
23 and 32
32 and 64
40 and 60
14 and 41
Answers: 2
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Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
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George has two different sprinklers. The first sprinkler waters an arc...
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