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REY [17]
3 years ago
5

Find an ordered pair x-2y=4​

Mathematics
2 answers:
AlekseyPX3 years ago
7 0
The ordered pair would be as stated above he/ she is correct
Vesnalui [34]3 years ago
5 0
Answer:

Step by Step:
x-2y=4
+2y +2y
x=-2y+4

x-2y=4
-4 -4
x-2y-4=0
+2y +2y
x-4=2y
Divid by 2
1/2x-2= y

x=-2y+4
x=-2(1/2x-2)+4
x=-x+4+4
x=-x+8
+x +x
2x= 8
x=4

y=1/2x-2
y=1/2(4)-2
y=2-2
y=0
(4,0)
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Freddy is buying wings and nachos for a party. a box of ten wings cost $7.00 Nachos cost $4.00 per tray. He must spend less than
soldi70 [24.7K]
Hey there! The answer is 7x + 4y < 40

Let's first rearrange our data in a more structured way.

x represents a box of wings which has a cost of $7.00. Therefore the total cost of the boxes is 7x.

y represents a tray of nachos which has a cost of $4.00. Therefore the total cost of the trays is 4y.

The sum of the costs of trays and boxes, which is (7x + 4y) must be smaller than $40.

Now we can set up the inequality.
7x + 4y < 40

~ Hope this helps you!
6 0
3 years ago
According to the values in the table, do x and y have a proportional relationship?
Masteriza [31]

Answer:

Yes.

Step-by-step explanation:

0.4 x 100 = 40

0.5 x 100 = 50

0.6 x 100 = 60

1 x 100 = 100

Hope this helped!

6 0
3 years ago
PLEASE HELP ASAP!!!!! i will give brainliest
katrin2010 [14]

Answer:

Step-by-step explanation:

  1. you are pretty much just factoring throughout.
  2. you can also plug in numbers
  3. or use the quadratic equation

I'll be using the quadratic equation

5 0
3 years ago
Plz help ASAP thanks! <br><br><br> Image^^
Reptile [31]

The answer to this question is B.

6 0
3 years ago
Read 2 more answers
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
Vlad [161]
The simultaneous equations are
2x - 7y = 4         (1)
3x + y = -17       (2)

Write (2) as
y = - 3x - 17       (3)

Substitute (3) into (1).
2x - 7(-3x - 17) = 4
2x + 21x + 119 = 4
23x = -115
x = -5
This is the equation obtained after substituting y from the second equation into the first equation.
The solution for y is
y = -3(-5) - 17 = -2

Answer: x = -5

Note: The solution is x = -5,  y = -2.
4 0
3 years ago
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