In the system of equations below, which variable would it be easiest to solve for?

Mathematics

2 answers:

otez555 [7]2 years ago

8 0

Answer:

the correct answer would be a ,the easiest to solve for is x in the first equation.

Step-by-step explanation:

edge2021

Maru [420]2 years ago

7 0

Answer:

<h3> The first: The easiest to solve for is x in the first equation.</h3>

Step-by-step explanation:

To get x from first equation you just need to subtract 4y from both sides.

The rest of variables needs two operations to get variable - subtracting and then dividing.

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Select the correct answer.

Nina [5.8K]

Answer:

D. $x^2 + 3x - 88$

Step-by-step explanation:

Area of rectangle = $length (l) * width (w)$

Length of rectangle = (x - 8)

Width = (x + 11)

Area of rectangle = $(x - 8)(x + 11)$

Expand the expression

$x(x + 11) -8(x + 11)$ (distributive property of multiplication)

$x^2 + 11x - 8x - 88$

Combine like terms

$x^2 + 3x - 88$

Expression for the area of the rectangle = $x^2 + 3x - 88$

7 0

2 years ago

Jane says that she can use addition to show that the graphs of 2x - 3y = 1 and 2x + 3y = 2 are intersecting lines. In two or mor

iogann1982 [59]

For this case we have the following equations:
2x - 3y = 1
2x + 3y = 2
When adding both equations we observe that:
Sentence 1: we have an equation of a variable, which in this case will be x. We can clear the value of x.
Sentence 2: Knowing the value of x, we can substitute in any equation and find the value of y.
Sentence 3: The value of x and y represents the point of intersection of both lines (x, y).

4 0

2 years ago

Heeeeelp Find the distance of AB if A (2, 6) and B (-5, 2).

evablogger [386]

Answer:

let A (2, 6) be (x1, y1)

B (-5, 2) be (x2, y2)

distance AB =√[(x2 - x1)² + (y2 - y1)²]

√[(-7)²+ (-4)²]

√65

7 0

3 years ago