Answer:
It would take her 5.85 minutes to run 1 kilometer.
Step-by-step explanation:
76/13= 5.846
Answer:
Look at picture
Step-by-step explanation:
Answer:What’s your question?
Step-by-step explanation:
Answer:
Step-by-step explanation:
we have
This is the equation of the line in point slope form
The equation of the line in slope intercept form is equal to
where
m is the slope
b is the y-intercept
Convert the equation to slope intercept form
remove the parenthesis right side
subtract 4 both sides
---> equation in slope intercept form
Answer:
it saves 2.5 minutes
Step-by-step explanation:
The expected value of a random variable is the sum of products of possibilities and the probability of each.
Here, you have a probability of 0.9 of saving 5 minutes, and a probability of 0.1 of adding 20 minutes.
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The expected value of the shortcut is ...
0.9(-5) +0.1(20) = -4.5 +2.0 = -2.5
The shortcut is expected to save 2.5 minutes on average.
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<em>Additional comment</em>
The probability of 0.9 comes from the 9 of 10 trips that result in a time saving.
