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Debora [2.8K]
2 years ago
13

Select the correct answer.

Mathematics
1 answer:
lozanna [386]2 years ago
4 0

The equivalent expression of the expression is (x - 1) / 2(x - 4). Then the correct option is C.

<h3>What is an equivalent expression?</h3>

The equivalent is the expressions that are in different forms but are equal to the same value.

The expressions are given below.

\rm \dfrac{x + 2}{x^2 - 16} \ and \ \dfrac{2x +4}{x^2 + 3x - 4}

Then the division of the expressions will be

\rm \rightarrow \dfrac{\dfrac{x + 2}{x^2 - 16} }{ \dfrac{2x +4}{x^2 + 3x - 4}} \\\\\\\rightarrow \dfrac{\dfrac{x + 2}{(x-  4 )(x + 4)} }{ \dfrac{2x +4}{(x + 4)(x -1)}}\\\\\\\rightarrow \dfrac{\dfrac{x + 2}{(x-  4 )} }{ \dfrac{2x +4}{(x -1)}}\\\\\\\rightarrow {\dfrac{x + 2}{x-  4 } \times  \dfrac{x -  1}{2x +4}}\\\\\\\rightarrow {\dfrac{x - 1}{2(x-  4) }

The expression which is equivalent to the given expression is (x - 1) / 2(x - 4). Then the correct option is C.

More about the equivalent link is given below.

brainly.com/question/889935

#SPJ1

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Barbara requires 2 gallons of paint to cover an area of 800 square feet. Identify the graph for the relationship from quantity t
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Answer:

6

Step-by-step explanation:

x = area to be painted

y = gallons of paint needed

we know already one point of that function/graph :

x = 800

y = 2

so, for a simple relationship between the 2 variables we can assume

y = ax

2 = a×800

a = 2/800 = 1/400

so, we get

y = (1/400) x

for 2400 ft²

y = 1/400 × 2400 = 1/4 × 24 = 24/4 = 6

she needs 6 gallons of paint for 2400 ft².

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3 years ago
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Round each to the place of the underlined digit. (1). 32.65 (The 6 is underlined), (2). 3.246 (The 4 is underlined), (3). 4.073
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Solve exponential equation<br> 1/16=64^4x-3
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Steps:

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