Mathematics, 13.03.2020 03:10 raiderries
At the beginning of the school year, each student in a math class reaches into one of four bags of gifts and pulls out one gift. Each of the four bags, A, B, C, and D, has some calculators and some notebooks. Sal hopes he pulls out a calculator. The table shows the number of calculators and notebooks that have been pulled out from each bag so far. Number of Calculators Number of Notebooks Bag A 18 18 Bag B 30 20 Bag C 21 9 Bag D 13 20 Based on the data in the table, which bag should Sal choose and why? Select your answers from the drop-down lists. Sal should choose bag because the relative frequency of pulling a calculator out of this bag is . The relative frequency is .
Answers: 2
Mathematics, 22.06.2019 00:00
Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64
Answers: 3
Mathematics, 22.06.2019 01:30
Norder to get a certain shade of blue paint, a mixer must have 5 parts white paint to 3 parts blue. if 4 gallons of paint must be mixed, how many gallons of white paint must be used?
Answers: 2
Mathematics, 22.06.2019 01:40
Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect
Answers: 1
Mathematics, 22.06.2019 03:30
You work for a landscape company that just got a contract to re-mulch a park. the area that needs mulching is 30 feet by 60 feet. they want a 3 inch layer of much on the area. the company has bags of mulch that cover 2 cubic yards that cost $4.00 per bag. how much will it cost the consumer just in materials to re-mulch the area (round to the nearest dollar)?
Answers: 3
At the beginning of the school year, each student in a math class reaches into one of four bags of g...
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