For two lines to be perpendicular, their slopes must be negative reciprocals of one another, mathematically:
m1*m2=-1, in this case our reference line has a slope of -3 so:
-3m=-1 divide both sides by -3
m=-1/-3
m=1/3
So the perpendicular line will have a slope of 1/3
Answer:
Step-by-step explanation:
Answer:
1.6 litre of milk is left
I might be wrong but, I would say about 32.6 miles a day. This could be wrong.
