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Ber [7]
3 years ago
15

Which of these triangle pairs can be mapped to each other using a reflection

Mathematics
1 answer:
tia_tia [17]3 years ago
8 0
Help me! I’ll mark you brainly!
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Can Somebody Please Explain How To Do It? THANKS
sergejj [24]

Hello from MrBillDoesMath!

Answer:

9


Discussion:

Solution 1:

Distance between two points (x1, y1), (x2,y2) is given by the formula

sqrt(  (x1-x2)^2 + (y1-y2)^2).  In our case this becomes

sqrt( (0-0)^2 +  (12 -3)^2 ) =

sqrt( 9^2) =

9.


Solution 2:

Note points D and E both have x = 0 so segment DE is a vertical segment. The length is simply the difference of the y coordinates: 12- 3 = 9 as before.


Thank you,

MrB

6 0
2 years ago
Can someone help me with my homework...? Its about graphing functions and tables, I'll post it right now! But can someone who kn
sergejj [24]

Answer:

sure where is the attachment?

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
I need to know the answer
quester [9]
What are your choices?

4 0
3 years ago
Use addition to solve the linear system of equations. Include all of your work in your final answer. \(\left\{ \right.\) 3x-y=6
ad-work [718]

Answer:

Solving the given linear system, we get x = 1 and y = -3.

The solution set is: (1,-3)

Step-by-step explanation:

We need to solve the linear system of equations.

3x-y=6 \\y=x-4

We can write second equation y=x-4  as: -x+y=-4

Let:

3x-y=6--eq(1)\\ -x+y=-4--eq(2)

Now, Adding equation 1 and 2

3x-y=6\\ -x+y=-4\\--------\\2x+0y=2\\2x=2\\x=\frac{2}{2}\\x=1

So, we get x = 1

Now, put value of x in second equation to find value of y:

y=x-4\\Put\:x=1\\y=1-4\\y=-3

So, we get y = -3

Solving the given linear system, we get x = 1 and y = -3.

The solution set is: (1,-3)

4 0
3 years ago
The difference between a number and 8
stich3 [128]

Answer:

n-8

Step-by-step explanation:

The difference between a number and 8

Difference is subtraction

Let the number be n

n-8

3 0
3 years ago
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