Ask
your own question, for FREE!
Mathematics
11 Online
OpenStudy (anonymous):
The temperature (in °C) of an object at time t (in minutes) is T(t) = 3/8t^2 − 15t + 240 for 0 ≤ t ≤ 20. At what rate is the object cooling at t = 10?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
it has something to do with rate of change just not sure how it goes
OpenStudy (anonymous):
rate of change = dT/dt = (3/4)t - 15 at t =10 rate = 30/4 - 15 = -7.5 degrees C / minute
OpenStudy (anonymous):
cooling at 7.5 degrees /min
OpenStudy (anonymous):
how did you get 3/4?
OpenStudy (anonymous):
oh i seee!
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
abby2blessed:
How do you guys feel about second chances? Concerning relationships, both romantic and otherwise.
TJH:
love Love, it comes, it goes But what if it stayed stayed in the silence the storm stayed when the world was loud for me it's different; it left when it was
Puffer:
General question what came first the chicken or the egg itu2019s a trick question
Bounty:
the world keeps moving fast and I'm stuck in a time lapse all I need is a minute
Bounty:
can I get so tips on how to start my journey into semi-realism art also on how to
Strawberryluna:
Read my poem. Im not for criticism its a poem I wrote after my breakup: Youu2019ll never understand the way you made me break, I hate that I still love you
abby2blessed:
How do you guys feel about second chances? Concerning relationships, both romantic and otherwise.
4 days ago
0 Replies
0 Medals
TJH:
love Love, it comes, it goes But what if it stayed stayed in the silence the storm stayed when the world was loud for me it's different; it left when it was
4 days ago
4 Replies
3 Medals
Puffer:
General question what came first the chicken or the egg itu2019s a trick question
4 days ago
5 Replies
1 Medal
Bounty:
the world keeps moving fast and I'm stuck in a time lapse all I need is a minute
1 week ago
4 Replies
0 Medals
Bounty:
can I get so tips on how to start my journey into semi-realism art also on how to
2 weeks ago
0 Replies
0 Medals
Strawberryluna:
Read my poem. Im not for criticism its a poem I wrote after my breakup: Youu2019ll never understand the way you made me break, I hate that I still love you
5 days ago
5 Replies
2 Medals