Answer:
x = -11.9
Step-by-step explanation:
x + 5.1 = –6.8
Subtract 5.1 from each side
x + 5.1-5.1 = –6.8-5.1
x = -11.9
Answer:
There is no expression to evaluate.
Step-by-step explanation:
Smaller circle:
diameter = 9 ft
radius = diameter/2 = (9 ft)/2 = 4.5 ft
A = pi(r^2) = 3.14159 * (4.5 ft)^2 = 63.62 ft^2
Larger circle:
diameter = 20 ft
radius = diameter/2 = (20 ft)/2 = 10 ft
A = pi(r^2) = 3.14159 * (10 ft)^2 = 314.159 ft^2
Difference = larger are - smaller area
Difference = 314.16 ft^2 - 63.62 ft^2 = 250.54 ft^2
Answer: About 251 ft^2
36 inches because 12,24,36 and 18,36, 36=36
Weathering-the process of wearing or being worn by long exposure to the atmosphere.