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sonicshon2
22.01.2021 •
Mathematics
To visit his grandmother, Michael takes a motorcycle 3.853.853, point, 85 kilometers and a horse 3.323.323, point, 32 kilometers. In total, the journey takes 50.5450.5450, point, 54 minutes. How many kilometers is Michael's journey in total?
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Ответ:
0.286 ft per minute ( approx )
Step-by-step explanation:
Let r represents the radius and h represents the height of the cone,
If the conical tank is 10 feet across and 12 ft deep,
Diameter = 10 ft, h = 10 ft
⇒ 2r = 10 ⇒ r = 5 feet,
Now, radius of a cone and its height is always in same proportion,
Now, volume of a cone,
From equation (1),
Differentiating with respect to t ( time ),
Here,![\frac{dV}{dt}=10\text{ cubic ft per min}, h = 8\text{ ft }](/tpl/images/0396/7286/58969.png)
Hence, the rate of change of the depth of the water would be 0.286 ft per minute