Mathematics, 14.02.2020 23:09 amanzi10
Lawrence performs a survey to determine the average number of minutes of exercise seventh-grade athletes get in one week. He gets a list of sports and the seventh-grade students participating in each sport. He then chooses 10 people from each list to complete the survey. How can Lawrence’s sample be improved to be more representative of the population? 1. He can choose his sample from all seventh-grade students. 2. He can choose his sample from a list of students by class rather than by sport. 3. He can choose his sample from every third person on each list rather than 10 people. 4. He can choose his sample from a list of all athletes participating in each sport.
Answers: 3
Mathematics, 21.06.2019 19:00
What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)
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Mathematics, 21.06.2019 19:00
Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.
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Mathematics, 22.06.2019 00:00
A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce
Answers: 1
Lawrence performs a survey to determine the average number of minutes of exercise seventh-grade athl...
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