Physics
posted by Lindsey .
If one machine creates a level of 90 decibels, what decibel level would be generated by 50 of these machines? If sounds are created at random, the net intensity is found by adding the individual intensitiesnot the decibels. Ignore distance effects.

Physics 
bobpursley
add the value 10*log50 which is 16.9 db

Physics 
Lindsey
Thank you for your help
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