Mathematics, 23.08.2019 06:10 cl6205071
Ann, beth and celine wanted to weigh themselves, but the scales they had were broken and would only give readings over 100kg. they decided to weigh themselves in pairs a and calculate their weights from the results.
β’ ann and beth weighed 119kg
β’ beth and celine weighed 112kg
β’ celine and ann weighed 115kg
how much did each of the girls weigh?
Answers: 3
Mathematics, 21.06.2019 13:30
Will give find an equivalent function to f(x)=5(2)^3x. the 5(2)^3x means 5(2) to the 3x power answer choices: a: f(x)=125^x(8)^x b: f(x)=10^2x c: f(x)=40^x d: f(x)=5(8)^x
Answers: 3
Mathematics, 21.06.2019 18:30
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.
Answers: 1
Mathematics, 21.06.2019 19:30
Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?
Answers: 1
Mathematics, 21.06.2019 19:30
Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x β 5| (2x β 5) (2x + 5) β(2x β 5) β(2x + 5)
Answers: 1
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