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vampirchik [111]
3 years ago
8

X-5 = -4 i’ve been trying my best

Mathematics
2 answers:
Alex Ar [27]3 years ago
8 0

Answer:

x = 1

Step-by-step explanation:

1 - 5 = -4

Nikolay [14]3 years ago
3 0

Answer:

x = 1

Step-by-step explanation:

x - 5 = -4 *add 5 to both sides*

x = 1

hope this helps!

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What are the solutions of x^2 - 2x + 10 = 0?<br><br> ​
dybincka [34]

Answer:

C. x = 1 + 3i or x = 1 - 3i

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>Algebra I</u>

  • Standard Form: ax² + bx + c = 0
  • Quadratic Formula: x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

<u>Algebra II</u>

  • Imaginary Roots: √-1 = i

Step-by-step explanation:

<u>Step 1: Define</u>

x² - 2x + 10 = 0

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

a = 1

b = -2

c = 10

<u>Step 3: Find roots</u>

  1. Substitute [Quad Formula]:                    x=\frac{2\pm\sqrt{(-2)^2-4(1)(10)} }{2(1)}
  2. Exponents:                                              x=\frac{2\pm\sqrt{4-4(1)(10)} }{2(1)}
  3. Multiply:                                                   x=\frac{2\pm\sqrt{4-40} }{2}
  4. Subtract:                                                  x=\frac{2\pm\sqrt{-36} }{2}
  5. Factor:                                                     x=\frac{2\pm\sqrt{-1} \sqrt{36} }{2}
  6. Simplify:                                                   x=\frac{2\pm6i }{2}
  7. Factor:                                                     x=\frac{2(1\pm3i) }{2}
  8. Divide:                                                     x=1\pm3i
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2. Tyler has 4 times as much money as Ryan. Find the ratio of Ryan's money to<br> Tyler's money.
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Answer:

1:4

Step-by-step explanation:

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Answer:

0.8

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