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April 20, 2014

April 20, 2014

Posted by **maria** on Tuesday, December 15, 2009 at 7:51pm.

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

- math 157 -
**Reiny**, Tuesday, December 15, 2009 at 8:01pmAnd the formula that the station developed was ..... ?

- math 157 -
**candy**, Tuesday, June 28, 2011 at 3:28pmThe 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.

- math 157 -
**candy**, Tuesday, June 28, 2011 at 3:44pmSorry 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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