Answer:
2
Step-by-step explanation:
Answer: 8
Step-by-step explanation: the given expression is 2n-3
so when n=1, we will get, 2(1)-3=2-3=-1
when n=2, we will get, 2(2)-3= 4-3=-1
when n=3, we will get 2(3)-3= 6-3=3
when n=4, we will get 2(4)-3 = 8-3=5
so the required result of expansion is -1+1+3+5=8
answer is 8.
hope that helped!
Answer:
2500 people PER square mile
Step-by-step explanation:
THe population density is the population per unit area.
Here,
Given:
Population = 400,000
Total Area = 160 sq. miles
To get population density, we would need the population PER UNIT AREA, per miles.
We can get that by dividing the total population by total area:
400,000/160 = <u>2500 people PER square mile</u>
This is the population density.
Answer:
24525rv
Step-by-step explanation:
Answer:
Step-by-step explanation:
The area of a rectangle formula is length times width.
The length of this rectangle is 
, and the width of this rectangle is 
Thus, the area of the rectangle is 
. This can be expanded using FOIL.
First 
Outer 
Inner 
Last 
The two x terms combine, making 8x, and the answer is
