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Pavel [41]
3 years ago
7

An electric company charges a certain rate per kilowatt-hour (\text{kWh})(kWh) of electricity used and an administrative fee of

\$3.50$3.50. The company charged Zhao \$63.25$63.25 for using 800\,\text{kWh}800kWh of electricity. Zhao uses the equation, 63.25=800r+3.5063.25=800r+3.50 to represent the situation. What does the variable rr represent in the equation
Mathematics
2 answers:
zavuch27 [327]3 years ago
3 0

Answer:

r represents the rate the electric company charges per kilowatt-hour.


Step-by-step explanation:

r represents the rate the electric company charges per kilowatt-hour.


Total charged to Zhao was 63.25 out of which 3.50 is administrative charge (fixed).

  • Total charge consists of "administrative charge" + "charge per kilowatt hours*hours used
  • The equation is given as 63.24 = 3.5 + 800r

<u>Matching the "word equation" with "mathematical equation", we see that 800 is the hours used and r is the charge per kilowatt hour.</u>

Nezavi [6.7K]3 years ago
3 0

Answer:

the charge per kilo-watt hour

Step-by-step explanation:

khan academy said so :))))

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