Answer:
12
Step-by-step explanation:
(4+8) × 2 /2 = 12
Answer:
3000 mL
Step-by-step explanation:
recall 1 liter = 1000 mL
hence
3 liters = 1000 mL x 3 = 3000 mL
Answer:
opposites or additive inverses
Step-by-step explanation:
Area of a sector: 1/2r^2 theta
Need theta
Let x be theta for now
42.25 pi = 1/2r^2x
84.5pi = r^2x
84.5pi = 169x
x = 84.5pi/169 = roughly 1.57 in radians
Radians => degrees is 1.57 * 180/pi or roughly 90.
