Mathematics

Mathematics, 14.07.2019 19:40, Arealbot

What is the solution to the system of linear equations?

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Mathematics, 05.07.2019 20:10, Milk18

True-false questions: justify your answers. 1.13 the solution set to a system of three equations in three unknowns cannot be a 1.14 a system of linear equations cannot have only two solutions. plane. 1.15 the solution set to a consistent rank 2 linear system in four unknowns would 1.16 a system of four equations in four unknowns always has a solution. 1.17, a system of four equations in four unknowns can have at most one solution be a line in four-dimensional space. 1.18 the rank of a system is always less than or equal to the number of equations in the systemm

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Mathematics, 16.07.2019 16:00, karrathomas

Lucy graphed the equation x+9y=5 and 4x+15y=-1 and saw that they intersected at the point (-4,1) as shown. what can lucy conclude? a. (-4,1) is a solution to the system of linear equations. ,4) is a solution to the system of linear equations. c. (1,-4) is a solution to the system of linear equations. d. (4,-1) is a solution to the system of linear equations.

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Mathematics, 28.07.2019 05:00, mricee9718

To solve the system of linear equations and by using the linear combination method, henry decided that he should first multiply the first equation by –3 and then add the two equations together to eliminate the x-terms. when he did so, he also eliminated the y-terms and got the equation 0 = 0, so he thought that the system of equations must have an infinite number of solutions. to check his answer, he graphed the equations and with his graphing calculator, but he could only see one line. why is this? a. because the system of equations actually has only one solution b. because the system of equations actually has no solution c.because the graphs of the two equations overlap each other d. because the graph of one of the equations does not exist

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Mathematics, 10.09.2019 09:10, ayoismeisalex

Will give brainliest to whoever answers all the questions 1)which ordered pair is the solution to this system of equations? {x+5y=−15y=15x+1 (−8, −1.2) (−7, −0.4) (−5, −2) (−10, −1) 2)what is the solution to this system of equations? {x+y=6x=y+2 (2, 4) (6, 4) (4, 2) (3, 3) 3)what is the solution to this system of equations using the linear combination method? {3x+y=42x+y=7 (−3, 12) (−3, 13) (−1, 7) (0, 4) 4)what is the solution to this system of equations? {−2x+6y=−383x−4y=32 (4, −5) (−4, −5) (−5, 4) (1, −6) 5)what is the solution to this system of equations? 2x+y−z=−35x−2y+2z=243x−z=5 (−1, 0, −8) (4, 1, 8) (2, −6, 1) (−5, 4, −3)

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