Mathematics, 13.02.2020 18:55 emmabarnett817
Katrina and Becca exchanged 270 text messages in 45 minutes. An equal number of texts was sent each minute. The girls can send 90 more text messages before they are charged additional fees. At this rate, for how many more minutes can the girls exchange texts before they are charged extra?
Answers: 3
Mathematics, 21.06.2019 19:30
The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?
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Mathematics, 21.06.2019 20:00
15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m
Answers: 1
Katrina and Becca exchanged 270 text messages in 45 minutes. An equal number of texts was sent each...
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