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EleoNora [17]
3 years ago
11

Solve linear equations by graphing (all of my equations don't have a Y value so do i just place a dot on the X line?)

Mathematics
2 answers:
Digiron [165]3 years ago
6 0
I think we need more information on what topic you are on in algebra at the moment. But my best guess would be to solve for x, and then place your answers on the x-axis. This would be questionable though, because you would get many 0=(some number), which would be answered as untrue. Question numbers 4, 6, and 9 would all be untrue. Other than that,
1) x = 1
2) x = -2
3) x = 0
4) 0 = -3 (untrue)
5) x = -1
6) 0 = -8 (untrue)
7) x = -3/2
8) x = 0
9) 0 = -1 (untrue)
Tanya [424]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

put a dot on the x line.

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An airplane travels 2248 miles in 4 hours.
tigry1 [53]
I don’t know ????????????????
5 0
3 years ago
Albert is looking up at a tree. he is 25 feet from the vase of tree. the line of sight to the top of the tree is 27 feet.
Studentka2010 [4]
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6 0
3 years ago
Read 2 more answers
Which system of equations can be used to solve for the point of intersection of the lines on the graph? A) y = x - 7; y = 2x + 2
ratelena [41]

Answer:

C) y = 2x + 7; y = 2x + 2

Step-by-step explanation:

The two lines are parallel and so will have the same slope.

From the graph, the slope of both lines are two.

Using slope intercept formula, y=mx+c, with m=2, we have y=2x+c

The blue line has a y-intercept of 2 so the equation is

y = 2x + 2

The red line has a y-intercept of -7 so the equation is

y = 2x - 7

Hence the system is

y=2x+2

y=2x-7

The correct answer is C

4 0
3 years ago
Please help me on this....
Kruka [31]

Answer:

I believe it is C

Step-by-step explanation:

because in order to find out how much he has left to read you have to find out how much he has read.

5 0
3 years ago
1.)A rectangle has an area of 72 square centimeters and the length is twice the width. The perimeter of the rectangle
Greeley [361]

1.

area = L x w = 72

L = 2w

72 = 2w*w = 2w^2

divide by 2

36 = w^2

w = sqrt(36) = 6 

l = 2*6 =12

perimeter = 2L +2W = 2*12 + 2*6 = 24+12 = 36


2.

sqrt(40)= 6.324555 cm ( round to 6.32 )

6.32 - 4 = 2.32 cm original length of a side


7 0
4 years ago
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