Mathematics, 14.02.2022 14:00 jacobbecker99
Solve using the method of elimination , determine if the system has 1 solution, no solutions, or infinite solutions
-8x+2y=8
4x+8y= -4
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Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?
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Solve using the method of elimination , determine if the system has 1 solution, no solutions, or inf...
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