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2 years ago

How do I solve this?? Pls give details

Mathematics

1 answer:

vovikov84 [41]2 years ago

7 0

Answer

Step-by-step explanation:

23+5x=14+25x

-25x

23-20x=14

+23

-20x=9

x=.45

45miles

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WINSTONCH [101]

Answer:

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Step-by-step explanation:

From the question we are told that:

Loudness function $L= 10 log_{10} R$

Sound of a person $S_p=80\ decibels\ or 10^8$

Number of persons talking $n=20 people$

Generally the Relative intensity for 20 people is mathematically given by

Relative intensity for $R_{20}=$ $20*10^8$

Relative intensity for $R_{20}=$ $20^8$

Generally the loudness for 20 people is mathematically given by

$L_{20}= 10 log_{10} R$

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

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

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Therefore increase in loudness X is given as

$X=104.1-80=-52.90$

$X=24.1decibels$

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