DR/dt= -5inM-¹
dH/dt = 5inM-¹
recall V=πr²h
dV/dr = 2πrh
dV/dh= πr²
dV/dt = ½{ (dH/dt • dV/dH) + (dV/dr • dr/dt)}
dV/dt = ½{ ( 5×πr²) + (2πrh×-5)}
dV/dt = ½{ 5πr² -10πrh}
= ½{ 80π - 120π}
= -20π inM-¹
Divide you cost by the weight and than you should have your answer
Answer:
60 degrees
Step-by-step explanation:
Angle XOV = 90 degrees (given)
Angle WOX = 30 degrees (given)
Therefore angle WOV = 90-30 = 60
180 FL. oz. or if you need it in gallons it's 1.4