Business trip of 325.5 miles. Averaged 49 mph for the first part of the trip and 58 mph for the second part. If the trip took 6
1 answer:
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Answer:
The time taken by Allan to complete the marathon 3.5 hours
Step-by-step explanation:
Given as :
The distance cover in marathon = d = 26.2 miles
∵ 1 mile = 1.609 km
So, d = 26.2 × 1.609 km
i.e d = 42.155 kilo meter
The average speed of Allan = s = 12 km per hour
Let the time taken by Allan to complete the marathon = t hours
Now, ∵ Time =
Or, t =
Or, t =
or, t = 3.512 hours
So , The time taken by Allan to complete the marathon = t = 3.5 hours
Hence, The time taken by Allan to complete the marathon 3.5 hours Answer
The standard deviation of the set of values (2, 3, 6, 9, 10) is <span>square root of 12.5 (</span>
) therefore OPTION C
