A bicycle travels 2 1/2 miles in 20 minutes. Determine the miles per hour the bicycle is traveling.
2 answers:
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Answer:
Step-by-step explanation:
Standard equation of a line is y = mx + b, where m is the slope.
Given line y = - 3x + 78, slope, m₁ = -3
<em><u>To find the line perpendicular to the given line.</u></em>
The lines are perpendicular to each other if the product of their slopes = - 1
That is,
So the slope of new line is