Mathematics, 12.11.2019 00:31 elijahjacksonrp6z2o7
Apopulation of middle school students contains 160 sixth graders, 180 seventh graders, and 140 eighth graders. nine seventh graders were part of a random sample of the population chosen to participate in a survey. for the sample to accurately represent the population, about how many sixth graders should be chosen? a.7 b.8 c.14 d.16
Answers: 2
Mathematics, 21.06.2019 18:00, puffley
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
Answers: 1
Mathematics, 21.06.2019 18:30, daniel1480
Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol
Answers: 2
Mathematics, 21.06.2019 23:00, hjeffrey168
Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42
Answers: 2
Apopulation of middle school students contains 160 sixth graders, 180 seventh graders, and 140 eight...
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