Answer: x=-n/a
Step-by-step explanation:
To solve for x, we want to use our properties to isolate x.
[subtract both sides by y]
[divide both sides by a]
Now, we know that x=-n/a.
If $120.99 is charged for 654 units of electricity
1 answer:
Answer:
The cost of one unit of electricity is $0.185
Step-by-step explanation:
Amount charged = $120.99
Units of electricity used = 654
The cost of a unit of electricity can be determined by dividing the amount charged by the number of units used.
So that,
cost of one unit of electricity =
= 0.185
cost of one unit of electricity = $0.185
This implies that the cost of electricity used is charged at $0.185 per unit.
Thus for 654 units of electricity used, the cost would be;
654 x $0.185 = $120.99
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Answer:
Graph Y
Step-by-step explanation:
<u>Given information</u>:
- Initial production cost = $1,050
- Lowest production cost = $250 for 200 items
- Production cost increases after 200 items.
- The x-axis shows number of items in <u>hundreds</u>.
- The y-axis shows the cost in dollars.
The initial production cost is when the number of items is zero.
Therefore, the y-intercept of the graph will be (0, 1050).
The lowest production cost is the <u>minimum point</u> of the curve.
Therefore, the vertex of the graph will be (2, 250).
The only graph that satisfies these conditions is graph Y (attached).
Learn more about parabolas here:
