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aivan3 [116]
3 years ago
6

Using the Multiplication Property of -1

Mathematics
1 answer:
Papessa [141]3 years ago
7 0

A. -(a+5)

Because the negative sign is outside the parenthesis, multiplying by -1 just removes the negative sign:

-(a+5) * -1 = a+5


B. -(-x+31)

Apply the distributive property:

-(-x+31) becomes (- -x +31) which simplifies to (x+31)

multiply that by -1 to get -x+31


C. -(4x+12)

Because the negative sign is outside the parenthesis, multiplying by -1 just removes the negative sign:

-(4x+12) * -1 = 4x+12

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3 years ago
Please pick one of the options.
olchik [2.2K]

9880 different possibilities are there in Sally's new combination option second 9880 is correct.

<h3>What is permutation and combination?</h3>

A permutation is the number of different ways a set can be organized; order matters in permutations, but not in combinations.

We have:

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Apply combination formula:

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Thus, 9880 different possibilities are there in Sally's new combination option second 9880 is correct.

Learn more about permutation and combination here:

brainly.com/question/2295036

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2 years ago
Mr. Chu's cherry tree grew 12 inches in
DanielleElmas [232]

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2 x 9 = ?<br> and also dont you just loooooove my profile picture
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Answer:

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Step-by-step explanation:

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