Let x, y be numbers.
The addition identity property states that 0 + x = x.
The commutative property states that x + y = y + x
The mean increases. When Deleware (2,000: 2) is included the mean must be divided by 9 instead of 8.
The correct answer is 720. Just turned it in and got a 100. Good luck and hoped this help ya.
Answer: 1/5 or 0.2 in decimal form.
Explanation:
There are 60 seconds in a minute. We know the river flows 12 ft per 1 minute. So in order to find the rate per seconds, divide: 60/12. You get the answer: 1/5 or 0.2 in decimal form.