Mathematics, 03.12.2020 22:20 moowalden1239
Answer two questions about Systems A and B :
System A
System B
5x +y = 3
5x +y = 3
4x-7y = 8
x + 8y = -5
1) How can we get System B from System A?
Answers: 2
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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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Answer two questions about Systems A and B :
System A
System B
5x +y = 3
5x +y =...
System B
5x +y = 3
5x +y =...
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