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Kipish [7]
3 years ago
10

The sound intensity of rustling leaves is 100 times the reference intensity. Use your graph to determine the sound intensity of

rustling leaves in decibels.
Mathematics
2 answers:
Olenka [21]3 years ago
8 0

Answer:

its 20

Step-by-step explanation:

wariber [46]3 years ago
4 0

The sound intensity of rustling leaves,  y = 20 decibels

<u>Step-by-step explanation:</u>

y = 10logx

The sound intensity of rustling leaves is 100 times the reference intensity.

x = ratio of intensity of sound to reference to intensity

x = 100:1 or x = 100

y = 10 log(100) = 10 * 2 = 20 decibels

y = 20 decibels

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If the measure of an angle is 78 less than the measure of its compliment, what is the measure of the angle?
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Complementary angles add up to 90'
So let X= angle 1
         Y=angle 2
So x+y=90
let x=y-78
so(y-78)+y=90
y-78+y=90
2y-78=90
2y=90+78
2y=168
y=168/2
y=84
x=y-78
so x=84-78
x=6
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Hope i helped!


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3 years ago
Can someone help me with this ?
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Two angles are said to be supplement when their measure add up to 180 degrees.

Assume that the angle we are looking for is a and its supplement is s (I used s instead of x).

a + s = 180
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We know that <span>the measure of the angle is eight times greater than its supplement.
This means that:
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Substitute by equation II in equation I to get s as follows:
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Substitute in equation I to get the measure of the angle as follows:
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Based on these calculations:
The measure of the angle is 160 degrees
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3 years ago
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