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In the standard (x,y) coordinate plane,the line that passes through (1,-7)and (-8,5)is perpendicular to the line that passes through (3,6) and (-1,b)what is the value of b?

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mindyyyy
B=3 Please vote me as brainliest if you think i helped and i attached a photo with work as well :) Have a great day
Ver imagen mindyyyy
salmafisher
B=3
Since L1 perpendicular on L2
So, slope of L1 X slope of L2=-1

Slope of L1= -4/3
So, slope of l2 =3/4

So, 6-B=3
So B= 6-3=3

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