What is the slope of any line that is perpendicular to the line 21×+7y=49
A. 7
B. -3
C....
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Mathematics, 20.11.2020 23:30, animaljamissofab
What is the slope of any line that is perpendicular to the line 21×+7y=49
A. 7
B. -3
C. -1/3
D. 1/3
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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