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the ratio of math students who use mechanical
pencils to those that use regular pe...
Mathematics, 24.09.2019 13:30 andrew194
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the ratio of math students who use mechanical
pencils to those that use regular pencils is 3/5 if 432 students use mechanical pencils how many students use regular pencils?
Answers: 1
Mathematics, 20.06.2019 18:04
Fran would like to estimate the mean amount of time it takes people in her town to travel to work. the town's population is 150,000 and about 90,000 of those are working adults. which statements are true? select each correct answer. there is no way to infer the value of the mean. she must collect data for all 90,000 working adults and calculate the mean. a larger sample of working adults will provide a better estimate of the true mean than a smaller sample. the population of working adults is too large for using a sample to estimate the mean of the entire group. if she takes a random sample of the population of working adults in her town, the mean for that group is likely close to the mean for the entire group.
Answers: 2
Mathematics, 21.06.2019 14:40
What is the approximate circumference of the circle shown below?
Answers: 1
Mathematics, 21.06.2019 19:30
Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?
Answers: 1
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