syrenseagraves
syrenseagraves syrenseagraves
  • 04-07-2017
  • Mathematics
contestada

Find the rate of change of the area of a circle with respect to the radius r. What is the rate when r=11?

Respuesta :

mathmate
mathmate mathmate
  • 04-07-2017
Area, A = pi (r^2)
To find rate of change, we differentiate area with respect to the radius, 
rate of change = dA/dr = 2 pi (r) 

At r=11, rate of change = 2 pi (r) = 2 pi (11) = 22 pi = 69.1

Answer Link

Otras preguntas

What does acquiesced mean as it is used on page 5 ?
NO LINKS OR ELSE YOU'LL BE REPORTED!Only answer if you're very good at English.Add the phrase that completes the thought in the underlined sentence."Two. . ." D
what is the angle from x​
Benjamin is babysitting his brother's infant daughter when the doorbell rings. Benjamin opens the door and asks the delivery person to step inside. The woman do
different he launc.in function are available with MS-ExcelMany​
Where can lowlands be found?
Which equations are equivalent to his weekly addition of 0.5 km and would correctly determine how many weeks it will take Hector to reach 10 km if he starts at
Description of a recent 2018-2020 example of how Xenophobia has displayed itself in the Community​
It is 9:45 am. If J.P. Needs to be ambulated three times a day, M.H. Needs his antibiotic given at 10 am, and F.S. Needs her dressing changed this morning, in w
Which sets does -12 belong too?