Answer:
69 miles per hour
Step-by-step explanation:
Given
Trip to:
--- time
Trip back
Required
Determine the average speed to Johannesburg
Average speed is calculated as:
Make distance the subject
Since distance is constant, then:
This gives:
Open bracket
Collect like terms
Solve for s2
Recall that:
Answer:
what's the height? and are the numbers listed multiple choice?
55) -9
56) 12 2/3 or 12.66666666667
57) -46 2/4 or -46.6666666667
58) 7 9/16 or 7.56
59) -15
60) 3 1/10 or 3.1
61) 6 2/3 or 6.666666666667
62) -13807.5
Your welcome
1.925
Explaining:to write 77/40 as a decimal you have to divide the numerator by the denominator of the fraction.We divide now 77 by 40 what we write down as 77/40 and we get 1.925