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jrjordans13ox06qs
24.06.2019 •
Mathematics
Acircular oil slick is expanding at a rate of 2m^2/h. find the rate at which it's diameter is expanding when it's radius is 1.5m
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Ответ:
Step-by-step explanation:
The circular oil slick is expanding at a rate of![2 m^2/h](/tpl/images/0013/4049/3769a.png)
Let A be the area of the circular oil slick,
So, the changes in A with respect to time (t),
Also, the change in diameter with respect to time(t),
For r = 1.5 m,
Ответ:
AM = 900
CI = 500
I have to be honest, this is the most ridiculously worded question of this type that I have ever seen... ask you teacher, why it was so important to force you to solve it using only one variable?
Step-by-step explanation:
(AM) + (1400-AM) = 1400
2(AM) + 3(1400 - AM) = 3300
2AM + 4200 -3AM = 3300
-AM = -900
AM = 900
CI = 500