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Colt1911 [192]
2 years ago
14

The operation denoted is by * is commutative and why?​

Mathematics
2 answers:
inn [45]2 years ago
8 0

Answer:

operation is commutative if and only if equal elements appear in all positions that are symmetrically placed relative to the diagonal from upper left to lower right. That is, to check whether an operation defined by a Cayley’s table is commutative, simply draw a diagonal line from upper left to lower right

Step-by-step explanation:

kipiarov [429]2 years ago
3 0

Answer:

The commutative property of multiplication states that changing the order of the numbers we are multiplying, does not change the product.

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Just need some help with the second answer thanks :)
vazorg [7]

Answer:

4,151,347,200

Step-by-step explanation:

To find how many ways the train can be made up we use the permutation formula and the values given.

n = 16

k = 9

_{n}P_{k}=\dfrac{n!}{(n-k)!}

_{16}P_{9}=\dfrac{16!}{(16-9)!}

_{16}P_{9}=\dfrac{16!}{7!}

_{16}P_{9}=4,151,347,200

So there will be 4,151,347,200 different ways that the train can be made.

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Answer: 70

Step-by-step explanation:

easy

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3 years ago
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kompoz [17]

Answer:

3x-2

Step-by-step explanation:

-2x-2+5x=-2x+5x-2=3x-2

8 0
3 years ago
PLEASE ANSWER THIS
kumpel [21]
(30 0Z less then) is your answer :)
6 0
3 years ago
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A recipe shows that the yeast needed for a bread recipe is 2 1/2ounces. Which of the following decimals is equivalent to this nu
UkoKoshka [18]

Answer:

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Step-by-step explanation:

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