Step by step solution

16. 17. 18. 19. 20. D. 5/.) L1. nanny The ratio of intensies of two sounds is 4261. If the quieter sound has a decibel level of 104 dB, what is the decibel level of the other sound? a. 140.3 dB c. 67.? dB b. 110.? dB d. 152.6 dB While standing inside his house with the front door open, a man measured the sound level of a police siren blaring down the street to be 95 dB. With the front door closed, the sound level is 80 dB. How many times as intense as the sound of the siren with the door closed is the same sound with the door open? a. 1.04 c. 1.50 b. 57.66 d. 31.62 Approximately how long will it take for a $5000 investment to double in value, if it was invested at 4.25% interest, compounded daily? a. 12.4 years c. 8.5 years b. 16.3 years d. 14.6 years What is the magnitude of an earthquake 1410 times as intense as a standard earthquake? a. 2.96 c. 3.15 b. 3.74 d. 2.61 The value, D, in dollars, of a certain vehicle as a function of time, t, in years, depreciates according to the 2 I l] . How long will it take for this vehicle to be worth $20 000? 2 a. 1.75 years c. 0.80 years b. 3.23 years d. 4.26 years function D = 35 DBU[