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lisabon 2012 [21]
1 year ago
15

What property does 5(a) = a(5) belong to?

Mathematics
2 answers:
MrRissso [65]1 year ago
8 0

Answer:

Commutative Property for Multiplication

Step-by-step explanation:

mote1985 [20]1 year ago
3 0

Answer:

Commutative Property for Multiplication

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to do everything u did. but backwards, OR to ask someone else the same question and if they get the same answer then yeah...

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A computer company makes a rectangular screen with a diagonal of 20 inches. The width of the screen is 4 inches less than its le
LenaWriter [7]

<span>  x^2 +(x-4)^2 =20^2</span>

<span>  x^2 +(x-4)^2 =400</span>

x^2 +(x-4)^2 -400=0

factor:

2x^2-8x-384=0

Factor the 2 out of 2X^2

2(x-16) (x+12) =0

<span> Divide both sides by 2</span>

(x-16) (x+12) =0

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Factories fully. X to the power of three - x
spayn [35]

The expression x³ - x when factored out is x(x -1)(x + 1)

<h3>How to determine the factored expression?</h3>

From the question, we have the following expression that can be used in our computation:

X to the power of three - x

Express the expression properly

So, we have the following representation

x³ - x

The terms of the above expression are:

x³ and x

And the factor of x³ and x

Factor = x

So, we divide x³ and x by x

The results of these divisions are

x³/x = x²

x/x = 1

So, we have the following results

(x³ - x) = x(x² -1)

Express x² -1 as a difference of two squares

So, we have

(x³ - x) = x(x -1)(x + 1)

Hence, the factored expression is x(x -1)(x + 1)

Read more about expressions at

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Help in class and I really need help
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In Exercises 27 and 28, find the domain of the function
Natali5045456 [20]

                                             Question 27

The graph on question 27 indicates that there are three points with the locations such as:

  • (2, 6)
  • (4, 12)
  • (6, 18)

In other words, there are three points that lie on the graph with the x-values such as:

{(2, 6), (4, 12), (6, 18)}

We know that the domain includes the set of x-values.

Hence, the domain of the function is:

  • Domain: {2, 4, 6}

Since the points are not connected between them. In other words, there is not a continuous line.

Thus, the function represented on the graph has a discrete domain.

                                        Question 28

The graph on question 27 indicates that the line segment with the end-points (0, 25) and (7, 20).

Since there is a continuous line between the points from x = 0 to x = 7.

Thus, the domain of the line function is:

  • Domain: {0, 1, 2, 3, 4, 5, 6, 7}

As the line segment is a continuous line. Thus, the domain is continuous.

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