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d1i1m1o1n [39]
3 years ago
8

Please help me with this problem​

Mathematics
2 answers:
Nookie1986 [14]3 years ago
8 0
In order for two lines to be perpendicular, their slopes must multiply together to equal to negative one
So we do negative one divided by 2/5 to get the slope of the red line
Which is -5/2
To check, we do 2/5 multiplied by -5/2 which equals to -1 so our answer is correct
worty [1.4K]3 years ago
5 0
-5/2 as perpendicular lines have inverse slopes
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