Answer:
180 cars
Step-by-step explanation:
Like you can see in the picture, I like to set up a proportion, so 81 over X and 45 over 100. Then, you can cross multiply, so 81 x 100 = 8100 and then divide, 8100 ÷ 45 = 180, your answer!
The height of a conical sand pile is always twice the radius. if sand is being added to the pile at a rate of 30π cubic centimet
ers per minute, how fast is the height of the pile increasing when the circumference of the base of the sand pile is 120π centimeters?
1 answer:
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