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Lesson 10.3 Solve Logarithmic Equations

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Posljednje ažuriranje almost 2 years ago
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Napomena autora:

I can solve logarithmic equations.

I can solve logarithmic equations.

Decibels

An equation for the loudness of a sound in decibels is L = 10 log R, where R is the relative intensity of the sound.

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Graphically
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Algebraically
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Pitanje 1
1.

The loudness of the music at a concert is about 115 decibels. What is the relative intensity of this sound?

Pitanje 2
2.

A regular conversation is found to have a loudness of 62 decibels. What is the relative intensity of this sound?

Pitanje 3
3.

How many times greater is the intensity of the concert than the conversation?

Pitanje 4
4.

Solve each logarithmic equation graphically. Round your answer to the nearest hundredth.

Pitanje 5
5.

Solve each logarithmic equation graphically. Round your answer to the nearest hundredth.

Pitanje 6
6.

Solve each logarithmic equation algebraically.

Pitanje 7
7.

Solve each logarithmic equation algebraically.

Pitanje 8
8.

Solve each logarithmic equation algebraically.

Pitanje 9
9.

Solve each logarithmic equation algebraically.

Pitanje 10
10.

Solve each logarithmic equation algebraically.

Pitanje 11
11.

Solve each logarithmic equation algebraically.