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

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 is 0.00000802 in scientific notation

By tradition, when does the presidential campaign begin?

6.5 write in word form

Two trains leave the station at the same time, one heading East and the other heading West. The westbound train is going 60mph. The eastbound train is going 80m

Which statement is true? 500 is 10 times as much as 50 500 is one tenth as much as 50

What does the fact the pi is irrational indicate about it'd decimal equivalent

seth traveled 1 mile in 57.1 second how fast did he go in miles per hour

If lies in the quadrant IV. What can be the value of cos ?

is 7 over 9 , 5 over 12, and 5 over 8 terminating or repeating decimals? and what are they in decimals? please explain..thx :)

Where are genes located?