Mathematics, 08.11.2021 14:00, moonk7733
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a radio station has three types of promotional items: cds, hats and flying discs. cds are worth $4.50, hats are worth $3.25 and flying discs are worth $1.25. they have given away 11 cds, 26 hats and 53 flying discs. organize the information using matrices. then use matrix multiplication to find the station's total cost for promotional items.
write matrix equation and solve it by hand.
edit: bump, please answer!
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Mathematics, 21.06.2019 23:30, kelyanthecrafte
Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)
Answers: 1
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a radio station has three types of promotional items: cds, hats and flying discs. cds...
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