document.write( "Question 131785: I am sorry but this question does not come from a text book. It is from a handout provide by the teacher. The question is for Algebra 1, my son is a freshman.\r
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document.write( "Here is the Question:\r
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document.write( "For 1990 through 1999, the number of indoor movie screens I and total movie screens T is modeled by:\r
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document.write( "I=161.6t^2 - 20t + 23,326
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document.write( "T=160.3t^2 - 26t + 24,226\r
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document.write( "where t is the number of years from 1990 inclusive.
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document.write( "Find a model for the number of outdoor movies screens D in the US for this time frame.
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Algebra.Com's Answer #96263 by edjones(8007)![]() ![]() You can put this solution on YOUR website! I=161.6t^2 - 20t + 23,326 \n" ); document.write( "T=160.3t^2 - 26t + 24,226 \n" ); document.write( ". \n" ); document.write( "In this case t=10 \n" ); document.write( "161.6*10^2-20*10+23326 \n" ); document.write( "=161.6*100-200+23326 \n" ); document.write( "=16160-200+23326 \n" ); document.write( "=39286=I \n" ); document.write( ". \n" ); document.write( "160.3*10^2-26*10+24226 \n" ); document.write( "=160.3*100-260+24226 \n" ); document.write( "=16030-260+24226 \n" ); document.write( "=39996=T \n" ); document.write( ". \n" ); document.write( "T-I=D Model for the number of outdoor screens. Answer. \n" ); document.write( "39996-39286=710 Number of outdoor screens 1990-1999 inclusive. \n" ); document.write( ". \n" ); document.write( "Ed\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |