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Star-Asia T.

asked • 09/15/15

formula x=

The expression 3x2 – 6x – 105 can be used to model the height of a ball thrown in the air after x seconds. Use the quadratic formula provided below to Xigure out how long will ittakefortheballtohittheground.Use a=3, b=-6, and c=-105.Providethe positive solution only.
 
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