How am I supposed to solve this? I know how to do the equations but I don't know why there are only 2 places to put an answer fo
r X and Y when there are 2 equations. Both equations have an X and a Y so that means there are 4 X and Y answers.
1 answer:
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Steps :-
■ Eliminate the equations (subtract them). You'll get the value of 1 variable.
■ Then substitute in another equation to get the value of the other variable.
Answer :-
■ x = -8 & y = 0
See the attachment for the steps.
________
Hope it helps ⚜
Answer:
Step-by-step explanation:
Let 'x' be the usage in kWh. When usage is at or under 800 kWh, the cost function C(x) is given by the base charge of $8 added to the rate of $0.05/kWh multiplied by the consumption 'x', in kWh.
Therefore, for 0 ≤ x ≤ 800, the cost function is: