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Loudness, or the intensity of sound, is measured in decibels. The sound level of a television is about 70 decibels, which is considered a safe hearing level. A food blender runs at 20 decibels higher than
answered
Apr 21, 2018
Mathematics
middle-school
0
votes
161k
views
What is the solution of the system of equations? y = –3x + 7 y = 2x – 8 A. (–2, 3) B. (3, –2) C. (–15, 52) D. (0.2, –7.6)
answered
Apr 17, 2018
Mathematics
high-school
6
votes
18.6k
views
I knew I could never let Mom hear the messages, because protecting her is one of my most important raisons d’être, so what I did was I took Dad’s emergency money from on top of his dresser, and I went
answered
Oct 29, 2017
History
high-school
3
votes
162k
views
Darius buys a bottle of chemical solution that contains 70% alcohol the bottle contains 500 milliliters of solution how many milliliters of alcohol are in the solution
answered
Aug 29, 2017
Mathematics
high-school
4
votes
50.7k
views
What is the difference between a constant and a coefficient? When can you add or subtract coefficients? explain
answered
Oct 1, 2016
Mathematics
middle-school
3
votes
159k
views
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