Determine which of the given ordered of pairs is a solution of the given system
3x+4y=-5...
Mathematics, 22.10.2019 05:00 duplessistoccara
Determine which of the given ordered of pairs is a solution of the given system
3x+4y=-5
2x-3y=25
(13,-11) (2,-7) (5,-5)
Answers: 3
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On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of Ī¼, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307
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