anonymous
  • anonymous
an electrical company supplies electricity to residential customers for a monthly customer charge of $6.22 plus 7.378 cents per kilowatt-hour for up to 400 hours write a linear equation that relates the monthly charge C in dollars to the number x of the kilowatt-hours in a month
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
\[C=6.22+7.378 x\]
radar
  • radar
C=6.22+.07378x In order to keep it in dollars
radar
  • radar
Don't know how to insure keeping it less than 400 hours though.

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anonymous
  • anonymous
its fine so if they ask for 200 kilowatts ill just plug that into x
radar
  • radar
Does the rate go down after 400?
anonymous
  • anonymous
radar is correct.\[C==6.22+\frac{7.378 x}{100} \]
radar
  • radar
@robtobey, Good to hear from you, hope things are going well in sunny CA
anonymous
  • anonymous
can u help me with this question find the equation of a line that is perpendicular to the line x=-13 and contains point (3,2)
radar
  • radar
Yes, that line is a vertical line x=-13 so a perpendicular line would be a horizontal line at y=2. Thats it , all there is y=2
anonymous
  • anonymous
i have a really big question do you have time to help me
radar
  • radar
It would be better to repost that big question. I am getting lunch. And besides, others will want to help.

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