The loudness, L, measured in (Db), of a sound intensity, I, measured in watts per square meter, is defined as L=10log1/1 0, where l o= 10^-12 and is the least intense sound a human ear can hear. What is the approximate loudness of a rock concert with a sound intensity of 10^-1

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?