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sergey [27]
2 years ago
11

Noise in a quiet room is 500 times as intense as the threshold of sound. What is the decibel measurement for the quiet room? 20

decibels 28 decibels 200 decibels 280 decibels.
Mathematics
1 answer:
netineya [11]2 years ago
7 0

The intensity and the threshold of the noise are illustrations of rates

The decibel measurement of a quiet room is 28

<h3>How to determine the decibel measurement</h3>

From the graph that completes the question, we have the following point

(Decibel, Intense) = (28,500)

This means that, the decibel measurement is 28

Hence, the decibel measurement of a quiet room is 28

Read more about sound and noise at:

brainly.com/question/13741664

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Write 9x - 8 as a verbal expression <br><br> Please the fast as possible!
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4 0
2 years ago
measurement error that is continuous and uniformly distributed from millivolts is added to the true voltage of a circuit. then t
satela [25.4K]

Question has missing details (Full question below)

Measurement error that is continuous and uniformly distributed from –3 to +3 millivolts is added to a circuit’s true voltage. Then the measurement is rounded to the nearest millivolt so that it becomes discrete. Suppose that the true voltage is 219 millivolts. What is the mean and variance of the measured voltage

Answer:

Mean = 219

Variance = 4

Step-by-step explanation:

Given

Let X be a random variable measurement error.

X has a discrete uniform distribution as follows

a = 219 - 3 = 216

b = 219 + 3 = 222

Mean or Expected value is calculated as follows;

E(x) = ½(216+222)

E(x) = ½ * 438

E(x) = 219

Variance is calculated as follows;

Var(x) = ((b-a+1)²-1)/12

Var(x) = ((222-216+1)²-1)/12

Var(x) = (7²-1)/12

Var(x) = 48/12

Var(x) = 4

8 0
3 years ago
Find the slope of the line that passes through the points E(-1, 3) and F(-2, -3)
Nesterboy [21]
Answer=6

Formula for slope:

slope= \frac{y _{2}-y _{1}  }{x _{2}-x _{1}  }= \frac{-3-3}{-2-(-1)} = \frac{-6}{-1}=6

slope=6
4 0
3 years ago
State the missing factors. there may be more than one correct solution
NikAS [45]

5x5=25

25x2=50

486x2=972

46.5x2=93

12x2=24

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3 0
3 years ago
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