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kodGreya [7K]
2 years ago
8

Which of these correctly explains the solution of the system of equations shown

Mathematics
1 answer:
borishaifa [10]2 years ago
8 0

The solution of the system of equations is the point (-6, 6), so the correct option is B.

<h3>Which statements are correct about the system of equations?</h3>

Here we have the system of equations:

2x + 3y = 6

x + 3y = 12

First, let's write these two lines in the slope-intercept form:

y = (6 - 2x)/3 = 2 - (2/3)*x

y = (12 - x)/3 = 4 - (1/3)*x

Now, because "y" is the represents the same variable in both equations, we can write:

2 - (2/3)*x = y = 4 - (1/3)*x

Now we can solve that for x.

2 - (2/3)*x =  4 - (1/3)*x

2 - 4 = (2/3)*x - (1/3)*x

-2 = (1/3)*x

3*(-2) = x = -6

Now, to get the y-value of the solution we can evaluate any of the two lines in x = -6, evaluating the first we get:

y =  4 - (1/3)*x = 4 - (1/3)*(-6) = 4 + 2 = 6

Then the solution of the system is the point (-6, 6). Then the correct statement is B:

"The values of x= -6 and y= 6 satisfy both the equations; therefore, (-6, 6) is the solution."

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

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Lisa has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area
Evgen [1.6K]

Answer:

  398 ft²

Step-by-step explanation:

Assuming you have correctly described the total area in terms of non-overlapping triangles and a rectangle, you can put the dimensions into the appropriate area formula and add up the pieces.

  Triangle area = 1/2·bh

  Rectangle area = bh

___

So, the <em>first triangle</em> has an area of ...

  1/2·(20 ft)(20 ft) = 200 ft²

The <em>second triangle</em> has an area of ...

  1/2·(6 ft)(6 ft) = 18 ft²

The <em>rectangle</em> has an area of ...

  (30 ft)(6 ft) = 180 ft²

And the area total is ...

  200 ft² +18 ft² +180 ft² = 398 ft²

4 0
3 years ago
What is the horizontal asymptote of f(x)= -2x/x+1?
Elan Coil [88]
When x gets large, you can ignore everything except the highest-degree terms of the numerator and denominator. Effectively, you want the value of
  -2x/x
  = -2

The horizontal asymptote is -2.

5 0
4 years ago
Read 2 more answers
Jill sold half of her comic books then bought 16 more, she now has 36. With how many did she begin with? Break it down please
marusya05 [52]
A: 40

Let’s do this problem backwards.


TOTAL BOOKS RN: 36

1)
“Jill... then bought 16 more...”

36 - 16 = 20

After subtracting that amount, we would end up with half of the books Jill DID NOT sell.

2)
2 • 20 = 40

At this point, we multiplied amount of books she had after she sold half of her comic books by the reciprocal of 1/2

And now you have your answer!
4 0
3 years ago
Kay has a playlist of 10 songs. She has time to listen to 4 of the songs on her way to school.
Masteriza [31]

Answer:

40 different arrangements of songs

Step-by-step explanation:

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3 years ago
I NEED HELP ASAP!!
Oduvanchick [21]

Answer:

Step-by-step explanation:

women=85+32=117

men=70+51=121

total=117+121=238

a. P(woman)=117/238

b. P(woman or summer)=p(woman)+P(summer )-P(woman and summer)

=117/238+155/238-85/238

=187/238

c. P(woman and summer)=85/238

7 0
3 years ago
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