Power Company A sells electricity for $0.04/kwhr. Company B sells for $0.03/kwhr plus a $100/month charge. If your business uses
2 answers:
Answer:
Power company A
Step-by-step explanation:
We are given that
Power company A sells of 1 Kwhr electricity=$0.04
Power company B sells of 1 kw hr electricity=$0.03
Power company B additional monthly charge for electricity=$100
Total business uses electricity in 1 month=4000 kwhr
We have to find which company should used by me.
Power company A sells of 4000 kwhr electricity =$160
Power company B sells of 4000 kwhr electricity==$120
Power company B sells of 4000 kwhr electricity=120+100=$220
Hence, Power company A should used by me because it is cheaper than company B.
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Answers:
A ' = (-2, -3)
B ' = (0, -3)
C ' = (-1, 1)
=======================================================
Explanation:
To apply an x axis reflection, we simply change the sign of the y coordinate from positive to negative, or vice versa. The x coordinate stays as is.
Algebraically, the reflection rule used can be written as
Applying this rule to the three given points will mean....
- Point A = (-2, 3) becomes A ' = (-2, -3)
- Point B = (0, 3) becomes B ' = (0, -3)
- Point C = (-1, -1) becomes C ' = (-1, 1)
The diagram is provided below.
Side note: Any points on the x axis will stay where they are. That isn't the case here, but its for any future problem where it may come up. This only applies to x axis reflections.
