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labwork [276]
3 years ago
11

An eighth-grade student claims she can prove that subtraction of integers is commutative. She points out that if a and b are int

egers, then
a - b = a + (-b)
Mathematics
1 answer:
irina [24]3 years ago
7 0
That is right. Just like a * b = b * a
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The result of the mathematical operation \sqrt{10} × \sqrt{10} is 10.

<h3>How to calculate the result of the operation?</h3>

To calculate the result of this operation we need to perform the following mathematical operations:

\sqrt{10} * \sqrt{10} = \sqrt{10 * 10}

\sqrt{10 * 10} = \sqrt{100}

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Learn more about mathematics in: brainly.com/question/15209879

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2 years ago
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4 years ago
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3 years ago
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damaskus [11]

Answer:

A.   x < -4  or  x >= 3

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A solid dot at 3, and shading to the right, means all numbers greater than or equal to 3.

An open dot at -4 and shading to the left means all numbers less than -4.

A number cannot be both 3 or greater AND less than 4, so you must use the word "or" between the the two parts of the answer.

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3 years ago
Blue jeans, Inc. sells jeans that cost $15.99 for a selling price of $42.95. What is the percent of markup based on cost? (Round
trasher [3.6K]
%change=100*(final-initial)/initial

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8 0
4 years ago
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