Mathematics, 27.07.2019 21:30, Arealbot
What would be the best way to select an unbiased population-sample that represents the following topic: what is the favorite sport in mr. smith's class? a. ask four people on your soccer team. b. ask, "do you like silly soccer, or exciting football? " c. ask people reading at recess. d. randomly survey at least 20 people in the class.
Answers: 1
Mathematics, 21.06.2019 18:30, Kelseyyleigh2611
Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
Answers: 3
Mathematics, 22.06.2019 04:00, sajawalkhan148
Akayaker travels 3 miles upstream and 3 miles downstream in a total of 4 hours. in still water, the kayaker travels at a speed of 2 mph. what is the average speed of the river's current?
Answers: 2
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