Mathematics, 12.03.2020 17:22 dondre54
Lynn wants to predict how much fuel her car will use based on its speed. She drove a car 100\,\text{km}100km100, start text, k, m, end text at each of the speeds below, and she measured how much fuel was used in each case. Her data is summarized in the graph below. Which statement is the best description of the association between these variables? Choose 1 Choose 1 (Choice A) A Driving at higher speeds always resulted in less fuel being used. (Choice B) B The amount of fuel used was lowest at speeds around 60\,\text{km/h}.60km/h.60, start text, k, m, slash, h, end text, point (Choice C) C None of the above
Answers: 3
Mathematics, 21.06.2019 15:00
Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answers: 2
Mathematics, 21.06.2019 21:10
Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?
Answers: 1
Mathematics, 21.06.2019 21:20
Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10
Answers: 2
Lynn wants to predict how much fuel her car will use based on its speed. She drove a car 100\,\text{...
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