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Sophie [7]
3 years ago
15

Is repetition permitted in permutations/combinations?

Mathematics
1 answer:
nikklg [1K]3 years ago
3 0

Answer:

Yes repetition is permitting in permutations/combinations. It depends on the problem. For example a password being "555" is allowed. But in a race, racers logically can not repeat.

Step-by-step explanation:

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Expand to write an equivalent expression <br> -1/4 (-8x + 12y)
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The equivalent expression on expanding -1/4 (-8x + 12y) is 2x - 3y

<h3>Expansion of expression</h3>

Expansion of expression can be carried out using the distributive rule a shown:

A(B + C) = AB + AC

Note that <u>A is distributed over B and C</u>
Given the expression

-1/4 (-8x + 12y)

-1/4(-8x) - 1/4(12y)

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Hence the equivalent expression on expanding -1/4 (-8x + 12y) is 2x - 3y

Learn more on expansion here: brainly.com/question/26430239

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