Each cone of the hour glass has a height of 12 millimeters the total height oof the sand within the top portion 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 10 cubic millimeters per second how many seconds will it take until all of the sand has dripped to the bottom of the hourglass

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

d. vertex

step-by-step explanation:

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.