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Igoryamba
3 years ago
8

A sound wave has a frequency of 627 hz and a wavelength of 3.25 m. what is the speed of the wave?​

Mathematics
1 answer:
Dovator [93]3 years ago
8 0

Answer:

2037.75m/s

Step-by-step explanation:

To calculate the speed of a wave, you need to multiply the wavelength by the frequency. In this case, 627*3.25=2037.75m/s. Hope this helps!

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Answer:

The correct answer is b. 116,900

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Step-by-step explanation:

Each book costs 0.55 to make and the company can sell it at 6.75, which means that the company earns 6.20 from each book, this is called the net value. If you divide the amount htat the company paid for the rights by the net value you can find the total number of copies that the company has to sell to break even.  

# books = $725,000/$6.20 = 116935 or approximately 116900 copies of the book.

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