Answer:

Step-by-step explanation:
Circumference of the column 
Circumference of a circle
Therefore:

Area of a Circle 
Since radius of the cross section of the column =9 meters
Area of the cross section of the column

Answer:70%
Step-by-step explanation: Convert the fraction to a decimal, then multiple by 100.
Answer:
x=2 or x=3
Step-by-step explanation:
x^4 - 5x^3 + 7x^2 - 5x + 6 = 0
Step 1=Factor left side of equation.
(x-2) (x-3) (x^2 + 1) = 0
Step 2=Set factors equal to 0.
x-2 = 0 or x-3 = 0 or x^2 + 1 = 0.
Answer:x=2 or x=3
Answer:
In fifteen years, Alexis would have 9200. In twenty years she would have 9600
Step-by-step explanation:
10% for interest of 8000= 80.
80 (interest for one year) * 15 (fifteen years)= 1200
1200 plus the original amount is 9200.
80 (interest for one year) * 20 ( twenty years)= 1600
1600 plus the original amount is 9600
Answer:
6/8
Step-by-step explanation:
simplify and find the slope