27 in total
12 in the morning
27-12 = 15
She picked 15 in the afternoon
Answer:
y=1/3x-3
Step-by-step explanation:
To find slope, use m=y1-y2/x2-x1. I did -4-(-3)/-3-0 to get 1/3. Then plug it and one of the points into y-y1=m(x-m1). y-(-4)=1/3(x-(9-3)). Simplify (isolate y) to get y=1/3x-3.
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Answer:
Step-by-step explanation:
Answer:
Elena's running speed is 5 miles/hour
Explanation:
The speed is defined as the covered distance per unit time
In the problem, we have:
The distance covered is the length (circumference) of the circular track which is given as of a mile.
We are also given that she completes each lap (she completes of a mile) in of an hour
To get her speed, we will divide the distance covered by the time taken to cover this distance
This is done as follows:
speed = miles/hour
This means that:
Elena can run 5 miles each hour
Hope this helps :)