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kati45 [8]
3 years ago
6

Which of the following statements best describes the graph of x + y = 3?

Mathematics
2 answers:
givi [52]3 years ago
8 0
Any graph is defined by a given function. A graph of x +y =3, may be described as a line joining points such the sum of x-coordinate and the y-coordinate is 3. These are points such as (1,2), (2,1), (3,0) and so on such that the satisfy the equation of the line. 
lidiya [134]3 years ago
5 0
<span>It is a line joining the points whose x- and y-coordinates add up to 3.
   Let's look at the options and see what does and does not make sense for the expression x + y = 3.

   It is a line joining the points whose x- and y-coordinates add up to 3.
 * This pretty much describes it and is the correct answer.

   It is a line joining the points whose x- and y-coordinates add up to 6.
 * I don't see any 6's in the equation, nor do I see anything that might become a 6. This is a bad choice.

    It is a line which intersects the x-axis at (3, 3).
 * This option doesn't make sense as an answer to ANY question. If it intersects the x-axis, then the y value HAS to be 0. And it's said to be a 3 which is nonsense. Definitely a bad choice.

   It is a line which intersects the y-axis at (3, 3).
 * Another nonsense choice. If it intersects the y-axis, the x value has to be 0 and it's not. So another horrible choice.</span>
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A pair of vertical angles have measures (2y+5)° and (4y)°.
Molodets [167]
I believe with vertical angles, they are equal to each other.

Therefore,

2y + 5 = 4y

subtract 2y from both sides

5 = 2y

divide 2 from both sides

y = 5/2
8 0
3 years ago
Read 2 more answers
I have just one question, could someone please answer it?? (see linked file)
Annette [7]

The solution is x=1 and y=-2

Further explanation:

Given equations are:

\frac{7}{2}x-\frac{1}{2}y=\frac{9}{2}\\3x-y=5

Multiplying equation no. 1 with 2 will give us:

7x-y=9       Eqn 3

From equation no 2:

3x-y=5\\-y=5-3x\\y=3x-5

Putting the value of y in eqn 3

7x-(3x-5)=9\\7x-3x+5=9\\4x=9-5\\4x=4\\\frac{4x}{4}=\frac{4}{4}\\x=1\\Putting\ x=1\ in\ equation\ 2\\3(1)-y=5\\3-y=5\\-y=5-3\\-y=2\\y=-2\\

The solution is x=1 and y=-2

Keywords: Linear equations, Solution set

Learn more about linear equations at:

  • brainly.com/question/561665
  • brainly.com/question/537998

#LearnwithBrainly

8 0
3 years ago
Y = 3 - 5x <br><br><br> solve for x
boyakko [2]

Answer:

x = -1/5y + 3/5

Step-by-step explanation:

y = 3 - 5x

Subtract 3 from both sides;

y - 3 = -5x

Divide both sides by -5

-1/5y + 3/5 = x

4 0
3 years ago
THE NUMBER 1-10 ARE IN A BAG, YOU TAKE 2 OUT WITHOUT REPLACEMENT. WHAT IS THE PROBABILITY OF DRAWING THE NUMBER 7 THE FIRST TIME
ehidna [41]

Answer:

1 / 18

Step-by-step explanation:

PROBABILITY OF DRAWING THE NUMBER 7 THE FIRST TIME = Number of favorable outcome / Total number of outcomes

Favorable outcome = 1

Total number of outcome (1,2,3,4,5,6,7,8,9,10) = 10

PROBABILITY OF DRAWING THE NUMBER 7 THE FIRST TIME  = 1 / 10

PROBABILITY OF DRAWING AN EVEN NUMBER THE SECOND TIME = Number of favorable outcome / Total number of outcomes

Favorable outcome (2,4,6,8,10) = 5

Total number of outcomes (1,2,3,4,5,6,8,9,10) = 9

PROBABILITY OF DRAWING AN EVEN NUMBER THE SECOND TIME = 5/9

PROBABILITY OF DRAWING THE NUMBER 7 THE FIRST TIME AND THEN DRAWING AN EVEN NUMBER = 1 / 10  * 5 / 9 = 1 / 18

6 0
3 years ago
Please help!<br><br> Find the slope<br><br> -2x + 4y = 36<br><br> Thank you!
kogti [31]
-2x+4y=36
Add +2x to both sides
4y=2x+36
Decide every term by 4
y= 2/4x + 9

The slope is 2/4
8 0
3 years ago
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