Ask
your own question, for FREE!
Mathematics
19 Online
OpenStudy (anonymous):
A circular oil spill on the surface of the ocean spreads outward. Find the approximate rate of change in area of the oil slick with respect to its radius when the radius is 100m.
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
The answer is 200pi in m^2/m units btw.
OpenStudy (dumbcow):
A = pi*r^2 dA/dr = 2*pi*r
OpenStudy (anonymous):
What does dA and dR mean?
OpenStudy (dumbcow):
derivative of function A with respect to variable r
OpenStudy (dumbcow):
no different than finding derivative of pi*x^2 which is 2*pi*x
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
AndreW2002:
There is an error when sending GIFs, is this known or is this a level requirement
serenitystXrgazer:
Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
sirena2456:
Love Love is something someone needs Love is what makes us ache Love is what your husband sees in you I dont deserve love only sorrow Love is a trigger it k
AndreW2002:
There is an error when sending GIFs, is this known or is this a level requirement
35 minutes ago
10 Replies
0 Medals
serenitystXrgazer:
Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
3 hours ago
2 Replies
0 Medals
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
21 hours ago
10 Replies
2 Medals
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
2 days ago
6 Replies
1 Medal
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
3 days ago
0 Replies
0 Medals
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
3 days ago
2 Replies
1 Medal
DoltonCarlee:
So like do y'all know anything about the first world war?
2 days ago
2 Replies
0 Medals
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
3 days ago
5 Replies
2 Medals
sirena2456:
Love Love is something someone needs Love is what makes us ache Love is what your husband sees in you I dont deserve love only sorrow Love is a trigger it k
1 week ago
3 Replies
0 Medals