subject
Mathematics, 21.06.2021 20:50 asiaosterling

The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square meter, is defined as L = 10 log StartFraction I Over I 0 EndFraction, where I 0 = 10 Superscript negative 12 and is the least intense sound a human ear can hear. What is the approximate loudness of a dinner conversation with a sound intensity of 10–7? a.) –58 Db
b.) –50 Db
c.) 9 Db
d.) 50 Db

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year
Answers: 3
question
Mathematics, 21.06.2019 19:30
Which of the points a(6, 2), b(0, 0), c(3, 2), d(βˆ’12, 8), e(βˆ’12, βˆ’8) belong to the graph of direct variation y= 2/3 x?
Answers: 2
question
Mathematics, 21.06.2019 21:00
A.s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]
Answers: 2
question
Mathematics, 21.06.2019 22:00
Can you me find the slope! (30 points)
Answers: 2
You know the right answer?
The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square me...
Questions
question
English, 30.09.2019 18:50
Questions on the website: 13722360