Answer:
<h2>
B. 7.71 hours</h2>
Step-by-step explanation:
If he rode 27 miles in 2 hours then that means he rode 13.5 miles in 1 hour because 13.5 is half of 27. This also means that he was moving at 13.5 mph. He reduced his speed on the return trip by 10 mph so, 13.5 - 10 = 3.5. Now that we know he was going 3.5 mph on the return, we can multiply 3.5 by 7.71 to get 27 since that's how far the ride was. 3.5 x 7.71 = 26.985. It's not exactly 27 but it's a lot closer than the rest.
Yes it is possible to write an equation for such a parabola in the form
Answer:
72
Step-by-step explanation:
Answer:
The number of cases prior to the increase in measles = 53
Step-by-step explanation:
The increase in rate of measles case = 10.2%
The total number of cases after 10.2 % increase = 58
The number of cases before 10.2 % increase in measles case = ??
Let x be the no of cases present before 10.2 % increase.
x * (100 + 10.2) % = 58
x * 110.2 % = 58
x = 58 / 110.2 = 52.63
x = 53 (rounded off)
