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3 years ago

Determine which property is illustrated by the given equation. 7(-1+9) = - 7+63

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

7 0

Hey there! I'm happy to help!

This is the distributive property. You multiply something outside the parentheses by each term inside. 7(-1)=-7 and 7(9)=63, so -7+63.

Have a wonderful day! :D

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2 years ago

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2 years ago

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2 years ago

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3 years ago

Maria finds a local gym that advertises 67 training sessions for $2052. Find the cost of 153 training sessions.

Ann [662]

Answer:

$Cost\ of\ 153\ training\ sessions\ =\$4685.9\approx\$4686$

Step-by-step explanation:

$Cost\ of\ 67\ training\ sessions\ =\$2052\\\\Cost\ of\ 1\ training\ sessions\ =\frac{Total\ cost}{Total\ training\ sessions}\\\\Cost\ of\ 1\ training\ sessions\ =\frac{2052}{67}\\\\Cost\ of\ 153\ training\ sessions\ =153\times cost\ of\ 1\ training\ sessions\ \\\\Cost\ of\ 153\ training\ sessions\ =153\times\frac{2052}{67}=4685.9\\\\Cost\ of\ 153\ training\ sessions\ \$4685.9\approx4686$

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2 years ago