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IrinaVladis [17]
3 years ago
6

PLEASE PLEASE PLEASE HELP ME WITH ALGEBRA 1 PLEASE!?!?!?!?!!!?!?!?!?!?! I WILL GIVE LOTS OF POINTS AND BRAINLEST PLEEEEEEEEEEEEE

EEEASE!!?!?!?!?!?!!?!?!?!?
What are the different types of solutions that you can get when you solve a system of linear equations? Describe the graphs of these different types of systems.
Mathematics
1 answer:
jekas [21]3 years ago
4 0

Answer:

  • there are no solutions (lines do not intersect)
  • there is one solution (lines intersect at one point)
  • there are an infinite number of solutions (lines overlap—are the same line)

Step-by-step explanation:

"A system of linear equations" covers a lot of territory. In Algebra 1, it usually means two linear equations in two unknowns. Each of those equations will graph as a line on a coordinate plane.

A solution is a point that satisfies all the equations. That is, it is a point that is on all the lines described by the system of equations.

The geometry of lines on a plane comes into play with regard to solutions.

  • The lines may be parallel, hence never intersect. (<em>No points</em> will be on all the lines.)
  • The lines may intersect at <em>one point</em>.
  • The lines may be the same line, overlapping, identical, coincident, consisting of <em>all the same points, an infinite number</em>.

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Can someone help me pls? I don't understand how to find x and y
coldgirl [10]
(Y+40)+(x+2y)=180
3y+x=140

2x+(y+20)=180
2x+y=160

Simultaneous equation
3y+x=140
Y+2x=160
Solve for y
Y=24
3(24)+x=140
X=140-72=68

not sure about the answer
5 0
2 years ago
May 06,
Andre45 [30]

Answer:

343 cubic inches

Step-by-step explanation:

7 times 7 times 7 is 343

3 0
1 year ago
A lawyer drives from her​ home, located 2 miles east and 3 miles north of the town​ courthouse, to her​ office, located 5 miles
LekaFEV [45]
Let <span>the town​ courthouse be the origin of coordinate plane, the positive direction of x-axis is west and negative direction is east, the positive direction of y-axis is north and negative direction is south. Then a lawyer home has coordinates (-2,3) and lawyer office has coordinates (5, -21).
</span>
Use the distance formula d= \sqrt{(x_1-x_2)^2+(y_1-y_2)^2} to get the <span>distance between lawyer's home and office:
</span><span>
</span><span /> d=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}=\sqrt{(-2-5)^2+(3-(-21))^2}=
=\sqrt{7^2+24^2}  =  \sqrt{49+576} =  \sqrt{625} =25.
Answer: 25 miles.

7 0
3 years ago
The depth of water in a reservoir increases from 14m to 15.75m. Work out the percentage increase.
jasenka [17]

Answer:

It was a 12.5% water gain

8 0
3 years ago
Brainliest if your correct
loris [4]

Answer:

it would be the last option

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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