Question

A machine produces 90 decibels of sound power. The inequality 90 + 10 log x ≤ 95 represents the number of identical machines, x, that can be used at the same time and produce less than 95 decibels of sound power.

What is the maximum number of machines that can be used at the same time and produce less than 95 decibels of sound power?

1
2
3
4

Answer 1

C or 3

Explanation:

Got is right on edge 2020.

Answer 2

3

Explanation:

I plugged it into desmos and it said it can go up to 3.16 but you can't have 3.16 machines so it's 3.