Mathematics, 21.04.2020 17:54 ShiannBerry
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. Jessica is listening to soft music at a sound intensity level of 10-9 on her computer while she does her homework. Braylee is completing her homework while listening to very loud music at a sound intensity level of 10-3 on her headphones. How many times louder is Braylee’s music than Jessica’s?
One-third times louder
3 times louder
30 times louder
90 times louder
Answers: 2
Mathematics, 22.06.2019 00:10
Hello, i need compare km^2 and km. what's difference in this?
Answers: 2
Mathematics, 22.06.2019 01:50
Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).
Answers: 1
Mathematics, 22.06.2019 05:00
To factor 4x2-25, you can first rewrite the expression as:
Answers: 1
The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square me...
Chemistry, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
English, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
Chemistry, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00