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harina [27]
3 years ago
6

Sound with a frequency above 20000 hertz

Health
2 answers:
Vedmedyk [2.9K]3 years ago
7 0
An ultra sound is a sound which has a frequency above 20 000 hertz
patriot [66]3 years ago
5 0
A sound with a frequency above 20,000 hertz is called an "ultrasound"
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Eduardo has a wooden dowel rod that is StartFraction 8 Over 15 EndFraction of a yard long that he needs to cut into 24 equal-len
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Answer:

The length of each piece of dowel rod = \frac{1}{45} yards.

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Length of the wooden dowel rod = \frac{8}{15} yards.

Eduardo needs to cut the rod into 24 equal length pieces, thus;

length of each piece of the dowel rod = \frac{length of the dowel rod}{24}

                                                     =  \frac{8}{15} ÷ 24

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length of each piece of the dowel rod = \frac{1}{45} yards

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