You can make 3 and 3/7 into a improper fraction as 24/7 by multiplying 7 by 3 which is 21 and then adding that to 3 which gives you to answer 24/7. To find the reciprocal you simply flip the fraction which gives you 7/24
The answer is x= - 11/ 16
You can check this by plugging in x for -11/16
Answer:
The speed of marathon is 20.038 mile per hours
Step-by-step explanation:
Given as :
The distance of marathon = 26.2 miles
The time recorded for marathon = 1 hour 18 minutes and 27 seconds
So, The total time =
Or , Total time = 1.3075 hours
Let The speed in marathon = x mph
So, Distance = Speed × Time
Or, 26.2 miles = x × 1.3075
Or, x =
mile per hour
Or , x = 20.038 mph
Hence The speed of marathon is 20.038 mile per hours Answer
C. (x-5/2)^2=25/4
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