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AleksAgata [21]
2 years ago
8

I need help plis I'm struggling in this math problem ​

Mathematics
1 answer:
charle [14.2K]2 years ago
4 0

Answer:

D) 13x + 5

Step-by-step explanation:

Combine like terms

Here, 6x and 7x are like terms

5 + 6x + 7x = 5 + 13x

                  =13x + 5

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Explain why rational exponenets are not defined when the denominator of the exponent in lowest terms is even and the base is neg
Natali5045456 [20]

Answer:

The correct answer is:

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Explanation:

A rational exponent is another way of writing a root. The denominator of the rational exponent will be the root, and the numerator will be the power of the number under the root. If the denominator is even, this means we are taking an even root, such as square root, 4th root, etc.

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Any even root can be broken down into a series of square roots, done one after another.

However, we cannot take the square root of a negative number using real numbers; this is because a square root is a number multiplied by itself to get the answer; a negative times a negative is a positive, as is a positive times a positive, so there is no way to multiply the same number twice and get a negative.

Read more on Brainly.com - brainly.com/question/2004951#readmore

Step-by-step explanation:

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