Mathematics, 22.10.2019 19:20, rhahgvnbhgfHhdj200
One week, the music store sold 2 trumpets, 3 clarinets, and 5 violins for $1,240. the next week, they sold 3 trumpets, 1 clarinet, and 4 violins for $1,027. the following week, they sold 5 trumpets, 7 clarinets, and 2 violins for $2,091. find the cost of a trumpet, clarinet, and violin.
Answers: 2
Mathematics, 21.06.2019 14:00, Nevaeh3700
Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)
Answers: 1
Mathematics, 21.06.2019 16:30, trillralyn4060
Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices
Answers: 2
One week, the music store sold 2 trumpets, 3 clarinets, and 5 violins for $1,240. the next week, the...
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