document.write( "Question 1031386: Use the function h(t)=−16t2+v0t+s to answer the question.\r
\n" ); document.write( "\n" ); document.write( "A man is standing on a cliff above a beach. He throws a rock upward at a speed of 90 feet per second from a height 120 feet above the beach. How long will it take until the rock lands on the​ beach? \r
\n" ); document.write( "\n" ); document.write( "The rock will land on the beach in?
\n" ); document.write( "​(Round to the nearest tenth as​ needed.)
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Algebra.Com's Answer #646085 by ikleyn(52803)\"\" \"About 
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\n" ); document.write( "Use the function h(t)=−16t2+v0*t+s to answer the question.\r
\n" ); document.write( "\n" ); document.write( "A man is standing on a cliff above a beach. He throws a rock upward at a speed of 90 feet per second from a height 120 feet above the beach. How long will it take until the rock lands on the​ beach? \r
\n" ); document.write( "\n" ); document.write( "The rock will land on the beach in?
\n" ); document.write( "​(Round to the nearest tenth as​ needed.)
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document.write( "Substitute  v0 = 90  and  s = 120  into the function h(t)  and solve an equation \r\n" );
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document.write( "\"-16%2At%5E2+%2B+90%2At+%2B+120\" = \"0\".\r\n" );
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document.write( "Use the quadratic formula.\r\n" );
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