Leila opened a savings account with $8000 and was paid simple interest at an annual rate of 4%. When Leila closed the
account, she was paid $1920 in interest. How long was the account open for, in years?
If necessary, refer to the list of financial formulas.
years
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Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.