For Exercises 79-80, the formula L = 10 log ( I I 0 ) gives the loudness of sound L (in dB) based on the intensity of sound I (in W/m 2 ). The value I 0 = 10 − 12 W/m 2 is the minimal threshold for bearing for mid-frequency sounds. Hearing impairment is often measured according to the minimal sound level (in dB) detected by an individual for sounds at various frequencies. For one frequency, the table depicts the level of hearing impairment. Category Loudness (dB) Mild 26 ≤ L ≤ 40 Moderate 41 ≤ L ≤ 55 Moderately Severe 56 ≤ L ≤ 70 Severe 71 ≤ L ≤ 90 Profound L > 90 Determine the range that represents the intensity of sound that can be heard by an individual with severe hearing impairment.
For Exercises 79-80, the formula L = 10 log ( I I 0 ) gives the loudness of sound L (in dB) based on the intensity of sound I (in W/m 2 ). The value I 0 = 10 − 12 W/m 2 is the minimal threshold for bearing for mid-frequency sounds. Hearing impairment is often measured according to the minimal sound level (in dB) detected by an individual for sounds at various frequencies. For one frequency, the table depicts the level of hearing impairment. Category Loudness (dB) Mild 26 ≤ L ≤ 40 Moderate 41 ≤ L ≤ 55 Moderately Severe 56 ≤ L ≤ 70 Severe 71 ≤ L ≤ 90 Profound L > 90 Determine the range that represents the intensity of sound that can be heard by an individual with severe hearing impairment.
For Exercises 79-80, the formula
L
=
10
log
(
I
I
0
)
gives the loudness of sound L (in dB) based on the intensity of sound I (in W/m2). The value
I
0
=
10
−
12
W/m
2
is the minimal threshold for bearing for mid-frequency sounds. Hearing impairment is often measured according to the minimal sound level (in dB) detected by an individual for sounds at various frequencies. For one frequency, the table depicts the level of hearing impairment.
Category
Loudness (dB)
Mild
26
≤
L
≤
40
Moderate
41
≤
L
≤
55
Moderately Severe
56
≤
L
≤
70
Severe
71
≤
L
≤
90
Profound
L
>
90
Determine the range that represents the intensity of sound that can be heard by an individual with severe hearing impairment.
A research study in the year 2009 found that there were 2760 coyotes
in a given region. The coyote population declined at a rate of 5.8%
each year.
How many fewer coyotes were there in 2024 than in 2015?
Explain in at least one sentence how you solved the problem. Show
your work. Round your answer to the nearest whole number.
Answer the following questions related to the following matrix
A =
3
³).
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