HEEEELP!!!!!!: An icicle is in the shape of an inverted cone with a diameter of 9 mm and a height of 120 mm. The icicle drips at
a rate of 75mm^3 per minute. How long will it take the icicle to completely melt? USE 3.14!
A. 5.1 MIN
B. 7.5 MIN
C. 15.1 MIN
D. 33.9 MIN
2 answers:
Answer:
d:33.9
Step-by-step explanation:
Find the volume of the icicle using the formula V = PI x r^2 x h/3
Volume = 3.14 x 4.5^2 x 120/3
Volume = 3.14 x 20.25 x 40
Volume = 2543.4 cubic mm.
Now divide the total volume by the drip rate:
2543.4 / 75 = 33.9 minutes.
The answer is D.
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