Two angles are supplementary when they <span>add up to 180 degrees </span>⇒
m∠1 + m∠2 = 180°
4y + 7 + 9y + 4 = 180
13y + 11 = 180
13y = 180 - 11
13y = 169
y = 169/13
y = 13
m∠2 = 9y + 4 = 9 * 13 + 4 = 121°
1) Midpoint : (7/2,1/2), Quadrant 1
2. Midpoint: (5,1/2), Quadrant 2
Hope this helps. Please mark brainliest if you can
V=2010.62cm^3 hope this helped you.
Answer: Shanghai
Step-by-step explanation:
i hope this helps!
9/20 because if you count the red and blue out of the 20, theres 9. So you have a 9/20 chance it will hit red or blue.