Answer:
The volume of a right circular cone is
.
Step-by-step explanation:
The circumference of the base of a right circular cone is 125.6 ft.
Height of cone is 75 ft.
Circumference of base is :
, r is radius

The volume of a cone is given by :

So, the volume of a right circular cone is
.
Answer:
x = -3
y = -8
Step-by-step explanation:
2y = x - 13
3x = y - 1; let y = 3x + 1
substitute to solve for 'x':
2(3x + 1) = x - 13
6x + 2 = x - 13
5x + 2 = -13
5x = -15
x = -3
solve for 'y':
3(-3) = y - 1
-9 = y - 1
-8 = y
Answer:
Option 2, (-3+8)/2
Step-by-step explanation:
Average: Sum of two numbers/ How many numbers
Sum: -3+8
Amount of Numbers: 2
(-3+8)/2