math 157

The Political Noise Problem. The amount of background noise is important to television news reporters. One station developed the formula showing the noise level in decibels (N) as it relates to the
time after the speaker stops talking in seconds (t). How many seconds after the speaker stops will the noise level be the greatest? Write and tell how you decided

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3. 11
1. And the formula that the station developed was ..... ?

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posted by Reiny
2. The amount of background noise is important to television news reporters. One station developed the formula
N = -r2 + 12t + 54 showing the noise level in decibels (N) as it relates to the time after the speaker stops talking in seconds (t). How many seconds after the speaker stops will the noise level be the greatest? Write and tell how you decided.

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posted by candy
3. Sorry this is the right one....

The amount of background noise is important to television news reporters. One station developed the formula
N = -r^2 + 12t + 54 showing the noise level in decibels (N) as it relates to the time after the speaker stops talking in seconds (t). How many seconds after the speaker stops will the noise level be the greatest? Write and tell how you decided.

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2. 0
posted by candy

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