A train decreased its speed by 72 miles hour in 12 minutes. Find the average change in speed per minute.
1 answer:
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The hypotenuse of the triangle is given by:
Substituting values:
Clearing CB we have:
Then, the perimeter of the triangle is:
Substituting values:
Answer:
the perimeter of triangle BRC in units is:
D.6 + 2√5
Substituting values:
Clearing CB we have:
Then, the perimeter of the triangle is:
Substituting values:
Answer:
the perimeter of triangle BRC in units is:
D.6 + 2√5