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zhannawk [14.2K]
3 years ago
7

1. Which is the equation of the line?

Mathematics
1 answer:
Vadim26 [7]3 years ago
5 0
A) The answer is B because if you plug in the two intercepts (0,-3), and (6,0) it is the only equation that works for both.
B) The easiest way is to simplify the equation (6x-2y = 12 => 3x-y=6) and then to plug in the intercepts (0,-6) and (2,0) or check the slope. Either way the answer is A.

Hope this helps! 
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How many solutions does this linear system have?
Tanya [424]

Answer:

B (2.5, 0)

Step-by-step explanation:

2x - y = 5 (multiply all by 4)

8x- 4y = 20

-8x - 4y = - 20

eliminate the 4y

8x- 4y = 20

-8x - 4y = - 20

-------------------- –

16x = 40

x = 40/16 = 2.5

now we substitute x with 2.5

2x - y = 5

2(2.5) - y = 5

y = 0

8 0
3 years ago
A headline in a major newspaper read, "Breast-fed youth found to do better in school."a. Do you thinkthis statement was based on
Maurinko [17]

Answer:

Randomized experiment

Step-by-step explanation:

Such a statement is said to be Randomized experiment as the kids in the school have been selected at random and their performances are observed and recorded. Later it is inquired if they are breast fed or not. This information is later assessed and a conclusion is reached. This type of research or experiment is Randomized experiment.

Considering that the experiment is Randomized, the statement should be "Link found between breast-feeding and school performances". This statement does not restrict the performances of the student specifically on breast-feeding but shows a probable affect of it.

3 0
2 years ago
For which pair of triangles would you use AAS to prove the congruence of the 2 triangles
DerKrebs [107]

Answer:

The correct option is B.

Step-by-step explanation:

According to AAS congruence rule, two triangles are congruent if two angles and a non included side are congruent to corresponding angles and side of another triangle.

We need two angles and a non included side, to use AAS postulate.

In option A, two sides and their inclined angle are congruent, therefore these triangles are congruent by SAS postulate and option A is incorrect.

In option B, two angles and a non included side are congruent, therefore these triangles are congruent by AAS postulate and option B is correct.

In option C, two angles and their included side are congruent, therefore these triangles are congruent by ASA postulate and option C is incorrect.

In option D, all sides are congruent, therefore these triangles are congruent by SSS postulate and option D is incorrect.

8 0
3 years ago
Read 2 more answers
- 6x + 5y - 2x + 4 =
pychu [463]

Answer:

-8x + 5y + 4

Step-by-step explanation:

- 6x + 5y - 2x + 4 Group like terms

-6x - 2x + 5y + 4

=  - 8x + 5y + 4

5 0
3 years ago
Which linear inequality is represented by the graph?
USPshnik [31]
Its either A or C they both have the same spot when it is graphed.

8 0
3 years ago
Read 2 more answers
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