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kotegsom [21]
3 years ago
14

5×12÷[-12÷{15+(4-13)}]​

Mathematics
1 answer:
Elina [12.6K]3 years ago
8 0

Answer:

=5×12÷[-12÷{15+(-9)}]

=5×12÷[-12÷6]

=5×12÷(-2)

=-30

Step-by-step explanation:

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Step-by-step explanation:

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alex41 [277]

Answer:

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Step-by-step explanation:

We apply distributive property to get rid of the first parenthesis, by multiplying each term inside by the factor 1/6:

\frac{1}{6} (30x+24)-\frac{1}{7} (63-7x)\\\frac{30}{6} x+\frac{24}{6} -\frac{1}{7} (63-7x)\\5x+4-\frac{1}{7} (63-7x)

now we get rid of the second parenthesis by multiplying the factor "-\frac{1}{7}" times each of the terms inside the parenthesis (notice here that this factor is negative , so it will flip the signs of the terms it multiplies):

5x+4-\frac{1}{7} (63-7x)\\5x+4-\frac{63}{7} +\frac{7}{7} x\\5x+4-9+x

Next we combine like terms:

5x+4-9+x\\5x+x+4-9\\6x-5

7 0
3 years ago
In a board game,you must roll two 6-sided number cubes. You can only start the game
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Answer:

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4-4  4-5  4-6

5-5  6-5

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Step-by-step explanation:

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