Answer:
The correct answer is D) 7+(3+1)=(7+3)+1
Step-by-step explanation:
The associative property of addition states that it doesn't matter how you group numbers inside of parenthesis, it gives you the same answer. So even though the groupings are different in that example, the answer is still the same.
Answer:
82050 people/mi^2
Step-by-step explanation:
The population of the US is 328.2 million people and the area of the US is 4000 mi^2 as given. The population density is found by (population)/(area), so we input our values in:
Population density = 328, 200, 000/4000 = 82050 people/mi^2
I hope this helps! :)
Answer: 2464.5 ft
Step-by-step explanation:
Given
Slope is
Horizontal travel is 4929 feet
and Slope is given by
Therefore, vertical travel is 2464.5 ft
Answer:
40mph
Step-by-step explanation:
We divide 100 by 2.5 to find the rate
100/2.5 = 40
Answer:
AP = 14
Step-by-step explanation:
The centroid divides each median into segments in the ratio 2:1. AP is 2/3 of AE, so is ...
AP = (2/3)(21)
AP = 14