Mathematics, 04.08.2019 05:30 PrincessKehlani15
Cheryl wants to find the number of hours seventh-graders do homework each week. there are 297 girls and boys in seventh grade. which is the best way for cheryl to get a representative sample without spending too much time? a.) she can survey 15 of her friends in the school. b.) she can survey every sixth-grade student in the school. c.) she can randomly survey 50 girls in the entire school. d.) she can randomly survey 50 seventh-graders in the school.
Answers: 1
Mathematics, 21.06.2019 20:30
How do you determine if an ordered pair is a solution to a given equation?
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Mathematics, 21.06.2019 23:30
Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?
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Mathematics, 22.06.2019 01:10
To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%
Answers: 3
Cheryl wants to find the number of hours seventh-graders do homework each week. there are 297 girls...
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