Mathematics, 03.10.2019 02:00 hvvhvc
Jade had the following system of equations to her with a physics problem, but she only needed to know what the sum of x and y is.
2x+3y=12
2x-y=4
what is the value of x+y?
Answers: 1
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 22:00
Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents
Answers: 2
Jade had the following system of equations to her with a physics problem, but she only needed to kn...
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