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
Answer:
1.75
Step-by-step explanation:
Answer:
1,000-25x=400+75x
Step-by-step explanation:
x=amount of days it'll take
1,000-25x=400+75x
Answer:
6.7
Step-by-step explanation:
6.7 because 3.4 is way to small 7.9 would be close but not the right length and 8.5 is way too long to be on the bottom.
Hope this help stay home stay safe.
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Answer:
The sine of A is equal to 4/5.
Step-by-step explanation:
The sine of an angle is defined as the length of the opposite side divided by the length of the hypotenuse.
The side opposite A is 12 units long, and the hypotenuse 15. This means that the sine of A is equal to 12/15, or 4/5.
