For each, replace x with the number in the parenthaseses
a.
b.
c.
division by 0 is not allowed so it is undefined at the point
d. because division by 0 is not allowed
Answer:
7/10 pi (radians)
Step-by-step explanation:
The formula for sector area is (angle * r^2)/2
140pi = angle*r^2/2
multiply both sides by 2
280pi = angle * r^2
r = 20 cm (substitute)
280pi = angle * (20)^2
280pi = angle * 400
Divide both sides by 400
7/10 pi = angle
Answer:
109+20,00=21,09
Step-by-step explanation:
Answer:
x=4
Step-by-step explanation: