Mathematics, 24.05.2021 20:20 kitttimothy55
Using the linear combination method, what is the solution to the system of
linear equations 7x - 2y = -20 and 9x + 4y = -6?"
(-3,2)
(-2,3)
(2, -3)
(3,-2)
Please help
Answers: 3
Mathematics, 21.06.2019 14:50
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Answers: 2
Mathematics, 21.06.2019 17:20
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 21.06.2019 17:30
Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression
Answers: 1
Mathematics, 21.06.2019 21:30
40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work:
Answers: 2
Using the linear combination method, what is the solution to the system of
linear equations 7x - 2y...
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