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vazorg [7]
3 years ago
6

Is (-2, 6) a solution to this system of linear equations? (HINT: Substitute x

Mathematics
1 answer:
Serggg [28]3 years ago
5 0

Answer:

1st Equation: -8x + y = 22

At (-2,6)

(-8*-2)+ 6 =16+6= 22: That is correct

2nd Equation: -8x - y =10

At (-2,6)

(-8*-2)-6= 16-6= 10: That is correct

Both are correct.

Hope it helps you.

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Alexxandr [17]

Answer:

150%

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5 0
2 years ago
Write an equation: The sides of a rectangle are x and ( x - 4 ). The perimeter is 87
Svetlanka [38]

The perimeter of a rectangle, is all of the sides added up.

In a rectangle, there are two widths (right and left), and two lengths (up and down)

So:

Perimeter = 2 × width + 2 × length.

To get the equation we just substitute in the values that we are given:

length = (x)

width = (x - 4)

perimeter = 87

So just put these values into:  perimeter = 2 × width + 2 × length:

87  =  2(x) + 2(x - 4)

_____________________________

Answer:

The equation is:       87 = 2(x) + 2(x - 4)

<em>(note: this can be simplified down like so:</em>

<em>87 = 2x + 2x - 8</em>

<em>87 = 4x - 8</em>

<em>95 = 4x</em>

23.75 = x    

)

5 0
3 years ago
Please tell me What is the answer to this math problem 55% of 40 is what?
gladu [14]
55% of 40 is 22

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2 years ago
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D.36 because the weekend multiple the bracelet


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