Solve the system by elimination
− 7x+ 9y =− 18
4x+ 9y =− 18
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Mathematics, 13.07.2021 04:30 travawnward
Solve the system by elimination
− 7x+ 9y =− 18
4x+ 9y =− 18
Answers: 1
Mathematics, 21.06.2019 13:40, PearlJam5492
Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working
Answers: 3
Mathematics, 21.06.2019 18:30, leobaut6145
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 20:20, oscarmasinde44
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Mathematics, 21.06.2019 20:30, bullockarwen
Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*
Answers: 1
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