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notka56 [123]
3 years ago
12

What does J equal???????????????????????????? 3 + j / 11 =2 j =

Mathematics
2 answers:
AfilCa [17]3 years ago
7 0


Let's solve the equation step-by-step

Step 1) Simplify both sides of the equation

3+ j/11 = 2

1/11j+3=2

Step 2) Subtract 3 from both sides

1/11j + 3 - 3 = 2 - 3

1/11j = -1

Step 3) Multiply both sides by 11

11 x (1/11j) = (11) x (-1)

j = -11

Answer is..  J = -11

 ↑   ↑   ↑  Hope this helps! :D



UNO [17]3 years ago
5 0
3 + \frac{j}{11} = 2\\\\\frac{j}{11} = -1\\\\ j=-1 \times 11\\\\\boxed{\bf{j=-11}}
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x^2-8x+15=0 solve the equation by completing the square. Round your solutions to the nearest hundredth, if necessary.
zaharov [31]

Answer:

x = 3, 5

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  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients/Degrees
  • Standard Form: ax² + bx + c = 0
  • Multiple Roots
  • Factoring
  • Completing the Square: -b/(2a)

Step-by-step explanation:

<u>Step 1: Define</u>

x² - 8x + 15 = 0

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Subtraction Property of Equality] Subtract 15 on both sides:                     x² - 8x = -15
  2. Complete the Square [Addition Property of Equality]:                                 x² - 8x + 16 = -15 + 16
  3. [Complete the Square] Simplify:                                                                   (x - 4)² = 1
  4. [Equality Property] Square root both sides:                                                  x - 4 = ±1
  5. [Addition Property of Equality] Add 4 on both sides:                                   x = 4 ± 1
  6. Evaluate:                                                                                                          x = 3, 5
7 0
3 years ago
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