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Mathematics, 25.11.2019 20:31 starburst2005

which lines are perpendicular to 7x-3y=18
choose all answers that are correct

a. 3x+7y=42
b. 3y=7x-15
c. 3x-7y=21
d. -7y=3x+1

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Answers: 3

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which lines are perpendicular to 7x-3y=18
choose all answers that are correct

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