Step-by-step explanation:
2x-12+4x+12+2x+8=180°
8x+8=180
8x=172
x=172/8
x=21.5°
Answer:
Step-by-step explanation:
3 min(60 s/min) = L in / 7.5 in/s
L = 3(60)(7.5) = 1350 inches
Answer:Set of equations
X + Y = 28
Y - X = 4
Solve: X = 12 Y = 16
XY 1216
Step-by-step explanation:
The first one is 4/10000
the second one is 0.0984