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Bas_tet [7]
3 years ago
5

Beyonce is solving a system of equations: 2x – 3y = -2

Mathematics
1 answer:
nlexa [21]3 years ago
7 0

Answer:

Step-by-step explanation:

A system of equations has no solutions if you end up with a contradiction. For example, the system of two equations

y = 2x + 4

y = 2x

If you subtract the second equation from the first, you get

0 = 4

an obvious contradiction. If you were to graph the equations, you would see that the lines are parallel. They never intersect, so there is no point that satisfies both equations.

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I need help please I will greatly appreciate it
Nataly_w [17]

Answer:

  B.  Square

Step-by-step explanation:

When in doubt, it can help to plot the points on a graph.

__

By looking at the coordinate values, you see that the first two points have the same y-coordinate (0) and the other two points have the same y-coordinate (-4). These points are on horizontal lines that are 4 units apart.

Looking at the x-coordinates, you see that one pair of points has x-coordinates 4, and the other pair has x-coordinates 8. That is, these pairs of points are on vertical lines that are 4 units apart.

Vertical and horizontal lines are at right angles to each other. That means the figure must be a rectangle or square. The lengths of the sides are all 4 units, so the figure is a square.

3 0
2 years ago
Ashanti wants to collect more than 50 food items for the local homeless shelter. If he has already collected 13, how many more i
Marina CMI [18]
The answer is 37 you have to subtract
6 0
3 years ago
Read 2 more answers
Jerry irks at the skate board shop he is paid at the end of the week. He earns 245.00$ a week plus a 15% commission on each boar
blagie [28]

Answer:

$462.7

Step-by-step explanation:

15% commission on $54

= $8.1

he sell 27 boards so

8.1 × 27=$218.7

so

$245.00+$218.7=$463.7

7 0
3 years ago
1) -4.2 = y - 1.8<br> i don’t know the answer need help
anastassius [24]

Answer:

y - 1.8 = -4.2

y = -2.4 is the solution

4 0
3 years ago
Read 2 more answers
Carla wants to know how many students in her school enjoy watching reality TV shows. She asks all 22 students in her science cla
weeeeeb [17]
Statistic significance requires that your sample be representative of the population, but I'm struggling with this because if the class is an elective then the answer would be: <span>No, it is not a valid inference because she asked all 22 students in her science class instead of taking a sample of the students in her school.
BUT if the class is required, as most science classes are, then it WOULD be a random sample of the school. So the last option would be correct. 

My guess though is that the teacher is looking for answer B.
</span>
3 0
4 years ago
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