SOUND The loudness of a sound L in decibels is defined by L=10 log₁0 R, where R is the relative intensity of the sound. A choir director wants to determine how many members could sing while maintaining a safe level of sound, about 80 decibels. If one person has a relative intensity of 106 when singing, then how many people could sing with the same relative intensity to achieve a loudness of 80 decibels?

answer: 40.95

step-by-step explanation:

16.80 times .20= 3.36

step-by-step explanation:

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years

2x+60=

step-by-step explanation: