Parallel to y=-1/4x+3 and through(4,3)
1 answer:
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Answer:
8πcm²/sec
Step-by-step explanation:
The radius of the circle increases at a rate of dr/dt = 0.25cm/sec
The radius of the circle r = 16cm
The area of the circle increases at a rate of dA/dt = ?
Area of a circle = πr²
We take the derivative with respect to t
dA/dt = 2πrdr/dt
dA/dt = 2 π (16)(0.25)
dA/dt = 8πcm²/sec
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Answer:
he needs to be paying $60 per month
Step-by-step explanation:
please kindly check the attached files for explanation
