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Lesson 10.3 Solve Logarithmic Equations

Last updated almost 2 years ago

11 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

I can solve logarithmic equations.

Akwankyerɛ

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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Asemmisa {{asɛmmisaAhyɛnsode}}

1.

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

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2.

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

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3.

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

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4.

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

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

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

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

Solve each logarithmic equation algebraically.

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

Solve each logarithmic equation algebraically.

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

Solve each logarithmic equation algebraically.

Asemmisa {{asɛmmisaAhyɛnsode}}

9.

Solve each logarithmic equation algebraically.

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Solve each logarithmic equation algebraically.

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Solve each logarithmic equation algebraically.