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oksano4ka [1.4K]
4 years ago
9

I did it twice but i cant get it

Mathematics
1 answer:
Sladkaya [172]4 years ago
3 0

Answer:

i dont no my guess is -4.5 sorry if it does not work

Step-by-step explanation:


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I AM STUCK AND NEED HELP will give 30 points
Masteriza [31]
<h3>Answer:  A) infinite solutions</h3>

Explanation:

Despite there only being one line shown, there are actually two lines here. One just happens to be directly on top of the other.

We can see this by noting that 2y = 3x-1 turns into 4y = 6x-2 when we multiply both sides by 2. Multiplying both sides by the same number keeps the same equation, so that's why we have identical graphs.

The two identical graphs intersect each other infinitely many times, leading to infinitely many solutions. All solutions are (x,y) points on the blue line. Two such solutions are (1,1) and (3,4). All solutions are of the form \left(x, \frac{3x-1}{2}\right)

3 0
3 years ago
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Solve the system of equations is given below 2x+3y=18 x+7y=31
Veronika [31]
{2x + 3y = 18
x + 7y = 31}


2x+ 3y = 18
x=31-7

2(31-7)+3y=18

y=4

x=31-7*4
x=3

(x,y) = (3,4)
3 0
3 years ago
Solve 4a = 20
olya-2409 [2.1K]

Here's the solutions :

1. solve for a :

  • 4a = 20

  • a =  \dfrac{20}{4}

  • a = 5

2. solve for y :

  • 3y + 9 = 24

  • 3y = 24 - 9

  • 3y = 15

  • y =  \dfrac{15}{3}

  • y = 5

3. solve for y :

  • \dfrac{y}{3}  - 5 = 4

  • \dfrac{y}{3}  = 5 + 4

  • \dfrac{y}{3}  = 9

  • y = 9 \times 3

  • y = 27

4. solve for k :

  • 3 = 9 -  4k

  • 3 - 9 =  -4 k

  • - 6 =  - 4 k

  • k =  \dfrac{ - 6}{ - 4}

  • k =  \dfrac{3}{2}  \:  \:  \: or \:  \: 1.5

5. there's something wrong with this question.

6. solve for x :

  • 3x + 8 = 2

  • 3x = 2 - 8

  • 3x =  - 6

  • x =  \dfrac{ - 6}{3}

  • x =  - 2

i hope it helped...

6 0
3 years ago
Read 2 more answers
Write the equation of the line that is parallel to y+2=5(x-1) and passes through the point (-1, 0)
zavuch27 [327]

Answer:

Step-by-step explanation:

slope of required line=5

point is (-1,0)

reqd. eq. of line is

y-0=5(x-(-1))

y=5(x+1)

y=5x+5

8 0
3 years ago
HELP ASAP. Dilation scale=2, center (5,4) <br> Graph the new points
frosja888 [35]

Answer:

3.5

Step-by-step explanation:

5 0
2 years ago
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