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 10π 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 15:00, denisebaslee15
Of four points are collinear, they are also coplanar
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Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?
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Mathematics, 21.06.2019 21:30, kristinashau
If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2
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