Un avión puede volar con la velocidad de 400 km por hora en atmósfera tranquila si cuando se dirige hacia el este el viento vien
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Since the given line
has slope
The equation of the line perpendicular to it must have a slope which is the negative reciprocal of ,
The slope of the perpendicular line
Using the slope intercept form,
We substitute
This implies that,
Since
lies on this line , it must satisfy its equation.
That is
This implies that
The line therefore has equation,
has slope
The equation of the line perpendicular to it must have a slope which is the negative reciprocal of ,
The slope of the perpendicular line
Using the slope intercept form,
We substitute
This implies that,
Since
lies on this line , it must satisfy its equation.
That is
This implies that
The line therefore has equation,