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Artemon [7]
2 years ago
13

Https://youtu.be/-PQ1c19MHNw​

Mathematics
1 answer:
zubka84 [21]2 years ago
3 0

Answer:what’s this?

Step-by-step explanation:

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Solve systems of equations for y and x: <br><br> −5y + 8x = −18<br><br> 5y + 2x = 58​
Natali5045456 [20]

Answer:

(4, 10)

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> </u>

Equality Properties<u> </u>

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)
  • Coefficients
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

-5y + 8x = -18

5y + 2x = 58

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

<em>Elimination</em>

  1. Combine 2 equations:                                                                                      10x = 40
  2. [Division Property of Equality] Divide 10 on both sides:                                x = 4

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

  1. Substitute in <em>x</em> [Original equation]:                                                                  -5y + 8(4) = -18
  2. Multiply:                                                                                                             -5y + 32 = -18
  3. [Subtraction Property of Equality] Subtract 32 on both sides:                      -5y = -50
  4. [Division Property of Equality] Divide -5 on both sides:                                y = 10
7 0
3 years ago
Given two points on the graph of the line, the equation of the line can be found.
harkovskaia [24]
The answer is true.
Really all you ever need is two points and you should find an equation.
3 0
3 years ago
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Factor f(x)=x^(3)-2x^(2)-x+2
DanielleElmas [232]
X=-1
x=1
x=2

if wrong sorry
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2 years ago
5. <br> Which is the graph of the exponential function y = 8(5)x?
marin [14]

Answer:

The answer is A

Step-by-step explanation:

5 0
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Does anyone know what is 1/2⋅17.?
Free_Kalibri [48]

Answer:

8.5

Step-by-step explanation:

6 0
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