Mathematics, 23.04.2021 15:40 mallardmya2006
Find the domain of the rational expression: 8-x/7x+21
A:all real numbers except 0
B:all real numbers except 8
C:all real numbers except -3
D:all real numbers except -21
Answers: 3
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Answers: 1
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
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Find the domain of the rational expression: 8-x/7x+21
A:all real numbers except 0
B:all real...
B:all real...
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