2 years ago

What other activities did soldiers on the wall have to do?

1 answer:

6 0

Answer: In ancient times, if intruders approached, soldiers on the tower would create smoke in the daytime and light a fire at night to warn their troops, making them the important component of the Great Wall defense system. They are the oldest but an efficient telegram system of China.

Explanation:

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The tank is being filled with drinking water by using a bucket that can hold 0.34 cubic feet of water. Emma is able to pour 5 fu

Ierofanga [76]

The formula for volume of a cylinder is V= $\pi$ r^2h, where V= volume, r=radius, and h=height. So we plug in your numbers and get (3.14)(1.5)^2(4), which equals 28.26 cubic feet. We have a bucket that holds 0.34 cubic feet, so we need to fill it 28.26/0.34 times, which equals about 83.118 times. If she can fill the bucket five times in three minutes, we set up a ratio 3/5 = 83.118/x so 5x=249.3529, and x=49.87 minutes.