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Pavel [41]
3 years ago
14

What is the output value of (4x+2)(x-5)/2 using input value of x=2

Mathematics
2 answers:
bearhunter [10]3 years ago
7 0

(4x+2)(x-5)/2

(4 . 2 + 2)(2 - 5)/2

(8 + 2)(- 3)/2

10/2 . (- 3)

5 . (- 3)

- 15

Answer: - 15

Firdavs [7]3 years ago
6 0

Answer:

-15

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

(4x + 2)(x - 5) / 2

x = 2

<u>Step 2: Evaluate</u>

  1. Substitute:                             (4 · 2 + 2)(2 - 5) / 2
  2. Parenthesis - Multiply:          (8 + 2)(2 - 5) / 2
  3. Parenthesis - Add:                10(2 - 5) / 2
  4. Parenthesis - Subtract:         10(-3) / 2
  5. Multiply:                                 -30 / 2
  6. Divide:                                    -15
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LekaFEV [45]

Answer:

A. x = 12

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Trigonometry</u>

  • [Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use PT to solve for the missing side.

<u>Step 2: Identify Conversions</u>

Leg <em>a</em> = <em>x</em>

Leg <em>b</em> = 5

Hypotenuse <em>c</em> = 13

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Substitute:                    x² + 5² = 13²
  2. Isolate <em>x</em> term:              x² = 13²- 5²
  3. Exponents:                   x² = 169 - 25
  4. Subtract:                       x² = 144
  5. Isolate <em>x</em>:                       x = 12
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Answer:

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Step-by-step explanation:

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