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Jobisdone [24]
3 years ago
14

X-y-2z=4 -x+2y+z=1 -x+y-3z=11

Mathematics
1 answer:
juin [17]3 years ago
6 0

Answer:

look at the picture above

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Please answer this simple question !!!
Norma-Jean [14]
First, coordinate Q is (-5,2) and Q' is (6,2). First, we know that this is a horizontal reflection becuase only the x-values change. This means that the line of reflection will be x=some value. I think the best way to go about this is to find the midpoint of Q and Q' using the formula: M=(x1+x2/2,y1+y2/2)
Q is the first point and Q' is the second point
M=(-5+6/2,2+2/2)
M=(1/2,4/2)
M=(1/2,2)

Since we know the y-values of Q, Q', and the midpoints are all 2, then the line of reflection would be x=1/2

Hope this helps
8 0
3 years ago
Determine the expression you can substitute for x in 4x + 2y= 3
rusak2 [61]

Answer:


x=

−1 /2 y+ 3 /4


Step-by-step explanation:

Let's solve for x.

4x+2y=3

Step 1: Add -2y to both sides.

4x+2y+−2y=3+−2y

4x=−2y+3

Step 2: Divide both sides by 4.

4x /4

=

−2y+3 /4

x=

−1 /2 y+ 3 /4

7 0
4 years ago
What is the domain and range of<br>(-2,5) (0,3) (2,2) (-4,0) (2,-3)​
Nina [5.8K]

Answer:

Domain- -4,-2,0,2 Range- -3,0,2,3,5

Step-by-step explanation:

(x,y)

The domain is the x

The range is the y

And if the number is there more than once you only have to list it once.

Typically you list them from least to greatest so the smallest number the higher number.

5 0
3 years ago
What is 7/5 as a decimal number
charle [14.2K]
<span>To convert a fraction to decimal simply divide the top number by the bottom number. This would give you 1.4. Hope this helped!</span>
7 0
4 years ago
Read 2 more answers
I need help with geometry
Grace [21]

Answer:

Segment AC is congruent to segment LJ

Step-by-step explanation:

3 0
3 years ago
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