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kari74 [83]
3 years ago
14

The system shown has solution(s). y= 2x+1 X 2y-x = 6 No one Infinite

Mathematics
1 answer:
LenaWriter [7]3 years ago
7 0

9514 1404 393

Answer:

  one solution; (x, y) = (4/3, 11/3)

Step-by-step explanation:

The two lines described by the equations have different slopes, so there will be exactly one solution to the system of equations.

__

The slope of the line will be the coefficient of x when you solve for y. In the first equation, the slope is 2. In the second equation, you can solve for y by adding x, and dividing by 2. Then the slope of that line is found to be 1/2.

Lines with different slopes must intersect somewhere. That point of intersection is the (one) solution to the system of equations.

You might be interested in
Given g(x)=−x2+10x−3, find the following.
Free_Kalibri [48]

Answer:

g(9) = 6

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>

g(x) = -x² + 10x - 3

g(9) is x = 9

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    g(9) = -(9)² + 10(9) - 3
  2. Exponents:                          g(9) = -(81) + 10(9) - 3
  3. Multiply:                               g(9) = -81 + 90 - 3
  4. Add:                                     g(9) = 9 - 3
  5. Subtract:                              g(9) = 6
5 0
3 years ago
What is this answer please I need help​
Vaselesa [24]

Answer:

3rd 1 hope this helps

Step-by-step explanation:

6 0
4 years ago
Round 6.4 to the nearest whole number
aleksandr82 [10.1K]
6.4 to the nearest whole number is 6
8 0
3 years ago
The graph of a function is shown below. On which interval is the function increasing<br> and linear?
denis-greek [22]

sry I just wanted the points I'm in middle school so I don't know this stuff either but can you give free brainlyest I'm soo close to my next rank I'd really appreciate it if you would

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=7x%5E%7B2%7D%20-3%3D60" id="TexFormula1" title="7x^{2} -3=60" alt="7x^{2} -3=60" align="absmid
Pavel [41]

Answer:

<h3>x = -3 , x = 3</h3>

Step-by-step explanation:

7x² - 3 = 60

7x² - 3 - 60 = 0

7x² - 63 = 0

Simplify the terms

Divide both terms by 7

That's

x² - 9 = 0

Solve the quadratic equation

Use difference of two squares

That's

a² - b² = ( a + b)(a - b)

x² - 9 = 0

(x + 3)(x - 3) = 0

x + 3 = 0 x - 3 = 0

x = - 3 x = 3

Hope this helps you

7 0
3 years ago
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