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Leya [2.2K]
2 years ago
7

What is 8^2 + 15^2= c^2

Mathematics
2 answers:
Tasya [4]2 years ago
6 0

Answer:

8^2\:+\:15^2=\:c^2

c = 17

Step-by-step explanation:

This is the  Pythagorean theorem  

svet-max [94.6K]2 years ago
6 0

Answer:

c^2= 64 + 225

c^2=289

c= √289

c= 17

I hope it's helpful

Thank you !

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Use the formula L= 10 log 10 R, where Is the loudness of a sound and R is the sound's relative intensity. to find out how much l
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Answer:

X=24.1decibels

Step-by-step explanation:

From the question we are told that:

Loudness function L= 10 log_{10} R

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Number of persons talking n=20 people

 

Generally the Relative intensity for 20 people is mathematically given by

Relative intensity forR_{20}=20*10^8

Relative intensity forR_{20}=20^8

Generally the loudness for 20 people is mathematically given by

L_{20}= 10 log_{10} R

L_{20}= 10 log_{10} 20^8

L_{20}= 10 (8 log_{10} 20)

L_{20}= 104.1 decibels

Therefore increase in loudness X is given as

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X=24.1decibels

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Step-by-step explanation:

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Step-by-step explanation:

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