Question

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A model house that runs completely on renewable energy uses 222 windmills and 333 solar panels. Each windmill generates MMM kilowatt-hours (kWh) of energy per year, and each solar panel generates SSS kWh per year.
Which expressions can we use to describe how many kWh of energy the model house will output in 101010 years?
Choose 2 answers:

Answer 1

Answer:

$10(2M+3S)$

$20M+30S$

Step-by-step explanation:

we know that

The number of kWh of energy that the model house generate per year is given by the sum of  kWh of energy generates by the windmills multiplied by the number of windmills, plus the  kWh of energy generates by the solar panels multiplied by the number of solar panels.

so

$2M+3S$

For 10 year

Multiply the expression above by 10

$10(2M+3S)$

Apply distributive property

$20M+30S$