Mathematics, 04.03.2021 18:30 jennifer9983
Electricity usage is measured in kilowatt hours (kWh). Ezra's family decreased their
electricity usage by 20% from January to February. If Ezra's family used 720 kWh of
electricity in February, how much electricity did they use in January?
A 576 kWh
B 864 kWh
с
900 kWh
D 1296 kWh
Answers: 3
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Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.
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Electricity usage is measured in kilowatt hours (kWh). Ezra's family decreased their
electricity us...
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