Mathematics, 26.07.2020 01:01 angie0000
Karina uses the system of equations below to compare the monthly utility costs in July and December for electricity, x, and natural gas, y. 750x + 17y = 141.61 300x + 30y = 75.90 Karina solves the system using linear combination and arrives at the equation 116y = 96.28. She then solves this equation for y. Which statement explains Karina’s solution?
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Karina uses the system of equations below to compare the monthly utility costs in July and December...
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