Solve using elimination
the equations below model the numbers y of two portable music players...
Mathematics, 17.09.2019 22:50, bravooyessenia
Solve using elimination
the equations below model the numbers y of two portable music players sold x days after both players were introduced. on what day(s) did the company sell the same number of each player? how many players of each type were sold?
player a : y=48x+20
player b : y=-x^2+200x+20
so far i've subtracted b from a, giving me :
0=x^2-152x
was this the right thing to do? i don't know how to solve it from here, since it cannot be or does this mean theres no solution?
you!
Answers: 1
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