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Nikolay [14]
3 years ago
13

-2x+y=1 and y=-x+4 What is x?

Mathematics
1 answer:
Vikentia [17]3 years ago
4 0

When -2x+y=1 and y=-x+4, x = 1

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Expressions, equations, & inequalities
dem82 [27]

Answer:

The number of sandwiches sold is 73. This is because it is multiplied by the expression for the money received per sandwich.

The cost to make each sandwich is <em>S. </em>This is stated in the first sentence of the problem.

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The profit is 0.2<em>S. </em>This is because they sell each sandwich for an additional 20% of the cost ( S )

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The amount of money the band receives is (<em>S </em>+ 0.2<em>S </em>). This is because it is the price per sandwich.

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3 0
2 years ago
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I need to know the answe to this question
jeka94
2 4/9 is the correct answer*
7 0
3 years ago
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WHICH ONES APPPLY HELPP
Lelechka [254]

Let see...

So we know that × is less than 14.3 subtract by 9.

We can figure out what × is is by subtracting 14.3 with 9 and then find the answer less than it.

14.3-9=5.3

So now we know that the answer can be 5.3 or more. This means that we can cross out 5.3, 6.4, and 7.5.

So it would be 3.1 and 4.2.

7 0
3 years ago
The width of a rectangle is 4 less than half the length. if l represents the length, which equation could be used to find the wi
Nostrana [21]

Answer:

w = I /2 - 4

Step-by-step explanation:

half the length : I /2

4 less than half the length : I /2 - 4

To match the requirements : w= I /2 - 4

5 0
3 years ago
what do you do before adding the equation so that one variable will be eliminated when you dd them 2x-4y=5 and 6x-3y=10
Naddika [18.5K]
We have a system of equations 2x - 4y = 5 and 6x - 3y = 10.
We want to eliminate one variable when we add up the equations.

If we want to eliminate the x variable, we need to multiply the top, bottom or both of the equations with a number that when the equations are added together will eliminate the x variable.

Multiply the top equation by -3.

-3(2x - 4y) = 5 * -3
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Now when we add the two equations together, the x's will be eliminated.

-6x + 12y = -15
6x + 6y = 10
18y = -5

The x's were eliminated.
6 0
4 years ago
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