Mathematics, 09.09.2020 23:01 ParallelUniverse

The number of decibels, d, produced by an audio source can be modeled by the equation d = 10log(I/K) where I is the sound intensity of the audio source and K is a constant. How many decibels are produced by an

audio source whose sound intensity is 1,000 times the

value of K?

4

30

40

100

10,000

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:00, m4167281

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Answers: 1

continue

Mathematics, 21.06.2019 20:00, nuclearfire278

Which of the following is an equation of a line parallel to the equation y=4x+1?

Answers: 1

continue

Mathematics, 21.06.2019 22:30, campilk5

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

Answers: 2

continue

Mathematics, 21.06.2019 23:00, hd14yarnell

Is there a direction u in which the rate of change of f(x, y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

Answers: 2

continue

You know the right answer?

The number of decibels, d, produced by an audio source can be modeled by the equation d = 10log(I/K...