Mathematics

Mathematics, 07.11.2019 11:31, rogersdanny7347

how many solutions exist for the system of equations below?

3x+y=18
3x+y=16

none
one
two
infinite

answer

Answers: 3

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Mathematics, 28.06.2019 14:30, Adeenieweenie

To solve the system of linear equations 3x-2y=4 and 9x-6y=12 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 3x-2y=4 and 9x-6y=12 with his graphing calculator, but he could only see one line. why is this? a.because the system of equations actually has only one solutionb.because the system of equations actually has no solutionc.because the graphs of the two equations overlap each otherd.because the graph of one of the equations does not exist

Answers: 1

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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

Answers: 2

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Mathematics, 06.10.2019 20:00, meramera50

How many solutions exist for the system of equations graphed below? none one two infinite

Answers: 2

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Mathematics, 11.10.2019 16:10, sarahbennett11p4yxlb

Math question 40 points! 1. the sum of 5 consecutive odd integers is 2,555. what is the sum of the first, third, and last integer? 2. find the solution to the following system of linear equations. y = −9x + 20 y = −9x +16 3. how many solutions exist for the system of equations given below? 3a + 4b = 20 12a = 80 − 16b 4. determine the value of x for the following system of equations. 3x + 4y = 70 8x - 3y = 9

Answers: 1

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how many solutions exist for the system of equations below?

3x+y=18
3x+y=16
...

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