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tylerallen0918102
26.07.2019 •
Mathematics
What is the slope of a line perpendicular to the line 5x - 15y = 20? a.) -10b.) -3c.) -1/3d.) 3
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Ответ:
5x - 15y = 20
Rearrange in order to make y the subject
15y = 5x - 20
Divide by 15 by the whole to isolate y
y =
The slope of this equation is
The slope of the perpendicular will be negative reciprocal = -3
Your answer is option B = -3
Ответ:
5x-15y-20=0
slope=-5/-15
=1/3
if they are perpendicular
the other slope
=1/3×-1
=-1/3
the answer is c
Ответ:
LN = 14
Step-by-step explanation:
diagonals of a parallelogram bisect each other so
LN = 2LP
LN = 2*7
LN = 14