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koban [17]
3 years ago
5

3x – y = 4 2x + y = 6 (2, 2) (3, 0) (–1, –7) (0, –4)

Mathematics
2 answers:
Maksim231197 [3]3 years ago
4 0
<span>hello :

</span>3x – y = 4....(1)
 2x + y = 6.....(2)
by (1) : y=3x-4
by(2) :  y = -2x+6
3x-4 = -2x+6
5x =10 ..... x =2
y = 3(2)-4 =2

<span>(2, 2) has solution of system</span>
Vitek1552 [10]3 years ago
3 0
The answer is 2,2

as 3*2 - 2 = 4
ans 2*2 +2 = 4 

So it satisfies both eqautions

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olchik [2.2K]

Jessica will need to continue knitting for 4 nights.

9cm - 1cm = 8cm

8cm / 2cm = 4 nights

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5 0
3 years ago
21. what are the excluded values of the function? y= 5/6x-72
tatiyna

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4 0
3 years ago
!NEED HELP URGENTLY!<br> p − 10p + -5p + 14p − -9p − 2 = -20
bekas [8.4K]

Answer:

p = -2

Step-by-step explanation:

p − 10p + -5p + 14p − -9p − 2 = -20

-9p + 9p + 9p = -20 + 2

9p = -18

p = -2

7 0
3 years ago
Plz help me answer this
timofeeve [1]

Answer:

(-2, -8)

x = -2

y = -8

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

13x - 6y = 22

x = y + 6

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

<em>Substitution</em>

  1. Substitute in <em>x</em>:                              13(y + 6) - 6y = 22
  2. Distribute 13:                                 13y + 78 - 6y = 22
  3. Combine like terms:                      7y + 78 = 22
  4. Isolate <em>y</em> term:                                7y = -56
  5. Isolate <em>y</em>:                                         y = -8

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

  1. Define original equation:                    x = y + 6
  2. Substitute in <em>y</em>:                                     x = -8 + 6
  3. Add:                                                      x = -2
4 0
3 years ago
Which of the following numbers is closest to 4?<br> O A. V13<br> O B. V18<br> C. 15<br> D. 719
OverLord2011 [107]

Answer:

\huge\boxed{B.\ \sqrt{18}}

Step-by-step explanation:

4=\sqrt{4^2}=\sqrt{16}

3 0
3 years ago
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