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lizzyyy
lizzyyy lizzyyy
  • 26-09-2014
  • Mathematics
Answered

You improve your time running a course by 5 seconds in week one, by 3 seconds in week two, and by 4 seconds in week three. What is the average weekly change in your runny time

Verified Answer :

mariamikayla
mariamikayla mariamikayla
  • 26-09-2014

\(m_a- the \ aritmethic \ average \\ \\ m_a= \frac{5+3+4}{3}= \frac{12}{3} \\\\ \boxed{m_a=4s}\)

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