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Unformatted text preview: the inverse matrix method and a graphing calculator. Round your answers to the nearest hundredth. ( Please show the matrices you entered into the calculator and remember to write your answer in the correct form .) -=-= + = + 6 . 7 7 2 4 2 8 . 8 z y z x y x 5) ___________________ 6) A 600-seat theater charges $13 for adults and $11.50 for children. If all seats were filled and the total ticket income was $7648.50, how many adults were in the audience? (Write your answer as a complete sentence) 6) ______________________ ________________________ Solve the following word problem. Please write your answer as a complete sentence. 7) A collection of nickels, dimes, and quarters totals $7.05. If there are 49 coins altogether and five more nickels than dimes, how many quarters are there? 7) ______________________ ________________________...
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- Fall '09
- Algebra, Invertible matrix, Inverse Matrix method