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horsena [70]
3 years ago
15

ASAP BRAINLIEST if correct. Am i correct?

Mathematics
1 answer:
Minchanka [31]3 years ago
3 0

Answer:

C complex

Step-by-step explanation:

a+ bi

a is the real part and bi is the imaginary part

Together they make a complex number

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Simplify: 5(3x -4) - 6( 4 - 3x)
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33x-44

Step-by-step explanation:

15x-20-24+18x

33x-44

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About how many u.s dollars would you get if you exchange 15 euros
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Step-by-step explanation:

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3 years ago
Which of the following best describes how the y values are changing over each interval?
ziro4ka [17]

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y=ax+b

a=-0.6020457867

b=-2.256697516   <------- There is your value for b, which is the answer to the problem.

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Step-by-step explanation:

6 0
2 years ago
X-5y= -40<br> 18x - 5y = 45<br> What is the answer to this
baherus [9]

Answer:

(5, 9)

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>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

x - 5y = -40

18x - 5y = 45

<u>Step 2: Rewrite Systems</u>

18x - 5y = 45

  1. Multiply both sides by -1:                     -18x + 5y = -45

<u>Step 3: Redefine Systems</u>

x - 5y = -40

-18x + 5y = -45

<u>Step 4: Solve for </u><em><u>x</u></em>

<em>Elimination</em>

  1. Combine equations:                    -17x = -85
  2. Divide -17 on both sides:             x = 5

<u>Step 5: Solve for </u><em><u>y</u></em>

  1. Define equation:                    x - 5y = -40
  2. Substitute in <em>x</em>:                       5 - 5y = -40
  3. Isolate <em>y</em> term:                        -5y = -45
  4. Isolate <em>y</em>:                                 y = 9
4 0
2 years ago
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