document.write( "Question 1065890: If an object is propelled upward from ground level on Mars with an initial velocity of 130 feet per​ second, its​ height, s,​ (in feet) in t seconds is given by the formula s=−13t^2+130t.
\n" ); document.write( "How long will it take for the object to be at a height of 208 ​feet? \r
\n" ); document.write( "\n" ); document.write( "The object will be at a height of 208 feet in ____ seconds. \n" ); document.write( "
Algebra.Com's Answer #681060 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Solve for . The smaller of the two roots will be the first time the projectile is at 208 feet and the larger of the roots will be the second time that the projectile is at that height.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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