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olya-2409 [2.1K]
2 years ago
15

Someone help me please

Mathematics
2 answers:
bazaltina [42]2 years ago
8 0

Answer:

hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh  ITS B

Step-by-step explanation:

o-na [289]2 years ago
3 0

Answer:

A

Step-by-step explanation:

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Solve the following systems by the addition method <br><br> 4x - y =3<br> 2x+3y = 18
Taya2010 [7]
Hello :
<span>4x - y =3........ ×3
2x+3y = 18
 I'have :  12x-3y = 9
               2x +3y = 18
</span><span>by the addition method : 14 x =27
</span> x = 27/14
4(27/14)-y = 3
y = 33/7


4 0
3 years ago
WILL MARK BRAINLIEST PLS HELP
Alborosie

Answer:

-1,0

0,-4

1,-6

Step-by-step explanation:

plug in the first number into x and it gets you the second number

5 0
3 years ago
What is the distance between the point (1,4) and (3,7)
borishaifa [10]

Answer:

POINTS

Step-by-step explanation:

7 0
2 years ago
Combine like terms. What is a simpler form of the expression?<br> -3(-4y+3)+7y
kupik [55]

Answer:

19y - 9

Step-by-step explanation:

-3(-4y + 3) + 7y =

Distribute the -3.

= 12y - 9 + 7y

Combine like terms: 12y + 7y

= 19y - 9

8 0
3 years ago
Tom determines the system of equations below has two solutions, one of which is located at the vertex of the parabola.
Rus_ich [418]

Answer:

b must equal 7 and a second solution to the system must be located at (2, 5).

Step-by-step explanation:

Rearranging the first equation:

y = (x - 3)^2 + 4

From this we see that the vertex is at the point (3,4).

So one solution of equation 2 is (3 ,4).

Substituting in equation 2:

4 = -3 + b

b = 7.

So equation 2 is y = - x + 7.

Now we check if  (2, 5) is on this line:

5 = -2 + 7 = 5 , therefore  (2, 5) is on this line.

Verifying if (2, 5)  is also on y = (x - 3)^2 + 4:

5 = (2 - 3)^2 + 4 =  1 + 4 = 5

- so it is. and a second solution to the system is (2, 5).

5 0
2 years ago
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