x = 160 gal
y = 80 gal
160 gallons of water and 80 gallons of premium antifreeze solution must be mixed.
The measure of the angle is half the measure of the opposite arc.
.. ? = 78°/2 = 39°
Hey!
Circumference of a circle ⇒ π · d
d = 24
24 · π = 75.4 = 75
Answer ⇒ C. 75 cm
Hope this helps! :)
Answer:
109+20,00=21,09
Step-by-step explanation: