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Ad libitum [116K]
3 years ago
14

solve the system of equations and choose the correct answer from the list of options. 2x y = -4 y = 3x 2(-6/5 , -8/5)(-8/5 , -6/

5)(-6/5 , -11/5)(-11/5 , -6/5)
Mathematics
1 answer:
natita [175]3 years ago
6 0
If you would like to solve the system of equations 2x + y = -4 and y = 3x + 2, you can do this using the following steps:

<span>2x + y = -4
y = 3x + 2
</span>_________
<span>2x + y = -4
</span>2x + 3x + 2 = -4
5x = -4 - 2
5x = -6
x = -6/5

y = 3x + 2 = 3 * (<span>-6/5) + 2 = -18/5 + 10/5 = -8/5
</span>
(x, y) = (-6/5, -8/5)

The correct result would be (-6/5, -8/5).
You might be interested in
What is the third angle measure of a right triangle if one of the measures is 32
Semmy [17]

Answer:

58

Step-by-step explanation:

triangles are 180 degrees.

if it is a right triangle that means it has one 90 degree angle.

180-90=90

the angle is 32

90-32=58

90+32+58=180

3 0
3 years ago
Solve -2x+3=-3x+2 and is it no solution <br>One solution or infinitely many solutions. ​
Alex73 [517]

Answer is =-1

implifying

-2x + 3 = -3x + 2

Reorder the terms:

3 + -2x = -3x + 2

Reorder the terms:

3 + -2x = 2 + -3x

Solving

3 + -2x = 2 + -3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3x' to each side of the equation.

3 + -2x + 3x = 2 + -3x + 3x

Combine like terms: -2x + 3x = 1x

3 + 1x = 2 + -3x + 3x

Combine like terms: -3x + 3x = 0

3 + 1x = 2 + 0

3 + 1x = 2

Add '-3' to each side of the equation.

3 + -3 + 1x = 2 + -3

Combine like terms: 3 + -3 = 0

0 + 1x = 2 + -3

1x = 2 + -3

Combine like terms: 2 + -3 = -1

1x = -1

Divide each side by '1'.

x = -1

Simplifying

x = -1

3 0
3 years ago
Read 2 more answers
Which equation is equivalent to 2/3 x -5 / 6 equals -5 / 12 x + 1 / 4​
cluponka [151]

Answer:

13x=13

Step-by-step explanation:

...............

6 0
2 years ago
PLEASE HELP
Alecsey [184]

Answer:

The answer to your question is letter B

Step-by-step explanation:

Process

1.- Find two points of each line

Line A    (-2, 0)   (-1, 2)

Line B    (-1. - 5)   (-6, 0)

2.- Find the slope and equation of each line

Line A

             m = \frac{2 - 0}{-1 + 2}

             m = \frac{2}{1}

                    m = 2

             y - 0 = 2(x + 2)

            y = 2x + 4

Line B

             m = \frac{0 + 5}{-6 + 1}

             m = \frac{5}{-5}

                    m = -1

             y - 0 = -1(x + 6)

             y = -x - 6

3.- Find the inequalities

Line A, we are interesteed in the lower area of the line, so the inequality is

                      y ≤ 2x + 4

Line B, we are also interested in the lower area of the line so the inequality is

                      y ≥ - x - 6

5 0
3 years ago
Find an equation of variation in which y varies directly as x and y=420 when x= 100. Then find the value of y when x=11.
sweet [91]
Let's Simplify X to equal 1 by dividing by 100. then we divide 420 by 100 to get 4.2, so y=4.2 when x=1, we then multiply by each by 11.

y = 46.2
x = 11
4 0
3 years ago
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