Mathematics, 22.05.2020 14:59 louistwdg
A population of middle school students contains 160 sixth graders, 180 seventh graders, and 140 eighth graders. Nine seventh
graders were part of a random sample of the population chosen to participate in a survey. For the sample to accurately
represent the population, about how many sixth graders should be chosen?
O 7
O 8
O 14
O 16
Answers: 1
Mathematics, 21.06.2019 18:00
Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.
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What is the difference between the predicted value and the actual value
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Which number line represents the solution set for the inequality -1/2x> 24?
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Mathematics, 21.06.2019 19:10
The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)
Answers: 1
A population of middle school students contains 160 sixth graders, 180 seventh graders, and 140 eigh...
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