3 years ago

A student runs 100 meters in 11 seconds. What is the speed of the student?

1 answer:

5 0

100m= 0.621371 miles 11 seconds = 0.0030556 hours v=d/t

<span>0.0621371miles/0.0030556hour=20.3355miles/hour</span> So with the significant digits the answer would be 20.3 miles/hour. Therefore, this answer should be correct

do you go to k12???if so what grade

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nydimaria [60]

The surface area of the hemisphere with radius r = 19 cm. is 3400.62 square centimeters

<h3>How to determine the surface area?</h3>

The radius is given as:

r = 19

The surface area of a hemisphere is:

Area = 3πr²

So, we have:

Area = 3 * 3.14 * 19²

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Area = 3400.62

Hence, the surface area of the hemisphere is 3400.62 square centimeters