Respuesta :

12.717 because if you substitute 1 1/2 for r and 5 2/5 for h you get 1/3*pi*1.5^2*5 2/5. Simplified the equation is 1/3*3.14*2.25*5.4, which equals 12.717

Answer:

43.7

Step-by-step explanation:

4 secs on was 78.4 meters, 5 was 122.5, 122.5-78.8=43.7

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