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

answer: 270

step-by-step explanation:

you have to times 200 by 1.35 to get your answer

d is the answer

step-by-step explanation:

x² + 11x + 18 < 0  

[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2  

solution: (-9, -2)

step-by-step explanation:

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.