Mathematics, 17.09.2019 23:00 xolocsin
An hourglass consists of two sets of congruent composite figures on either end. each composite figure is made up of a cone and a cylinder.
each cone of the hourglass has a height of 12 millimeters. the total height of the sand within the top portion of the hourglass is 47 millimeters. the radius of both the cylinder and cone is 4 millimeters. sand drips from the top of the hourglass to the bottom at a rate of 10Ï€ cubic millimeters per second. how many seconds will it take until all of the sand has dripped to the bottom of the hourglass?
6.4
62.4
8.5
56.0
Answers: 1
Mathematics, 21.06.2019 14:30
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Answers: 3
Mathematics, 21.06.2019 14:30
Select the correct answer. what is the surface area of the victory podium shown here? include all surfaces of the podium, including the bottom. a. 61.5 square feet b. 61.75 square feet c. 65.25 square feet d. 69 square feet
Answers: 2
Mathematics, 21.06.2019 15:30
The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?
Answers: 2
Mathematics, 21.06.2019 18:00
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Answers: 2
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