Answer:
x = 80°
Step-by-step explanation:
Angle on a straight line = 180°
(x + 40)° + (x - 20)° = 180°
x + 40° + x - 20° = 180°
2x + 20° = 180°
2x = 180° - 20°
2x = 160°
x = 160°/2
x = 80°
Check:
(x + 40)° + (x - 20)° = 180°
(80° + 40°) + (80° - 20°) = 180°
120° + 60° = 180°
180° = 180°
D because they played for two days so that makes you multiply the number of seconds by the same number
Answer:
I think its A
Step-by-step explanation:
The answer is: the answer 19.6
Answer:
add them all up which is 40 then divide by the amount of numbers there are. in this case 5, so 40 ÷ 5 = 8