document.write( "Question 747683: A theater has 49 seats in the first row, 53 seats in the second row, 57 seats in the third row, and so on. Answer the following questions:\r
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document.write( "1) Can the number of seats in each row be modeled by an arithmetic or geometric sequence? (which type of sequence is it)
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document.write( "2) Write the general term for a sequence an that gives the number of seats in row n.
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document.write( "3) How many seats are there in row 18? \n" );
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Algebra.Com's Answer #455061 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A theater has 49 seats in the first row, 53 seats in the second row, 57 seats in the third row, and so on. Answer the following questions: \n" ); document.write( "----- \n" ); document.write( "49,53,57, etc. \n" ); document.write( "a(1) = 49 \n" ); document.write( "d = 53-49 = 4 \n" ); document.write( "--------------------------------- \n" ); document.write( "1) Can the number of seats in each row be modeled by an arithmetic or geometric sequence? (which type of sequence is it) \n" ); document.write( "Answer: arithmetic \n" ); document.write( "-------------------- \n" ); document.write( "2) Write the general term for a sequence an that gives the number of seats in row n. \n" ); document.write( "a(n) = 49 + (n-1)4 \n" ); document.write( "----------------------------------- \n" ); document.write( "3) How many seats are there in row 18? \n" ); document.write( "a(18) = 49 + (17)*4 = 117 \n" ); document.write( "------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " \n" ); document.write( " |