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Ivan
2 years ago
10

Which algebraic of an transformation on a coordinate grid does not preserve congruence

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
6 0

Answer:

rotation

Step-by-step explanation:

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X - 7 = 13 - x help asap plz
bekas [8.4K]

Answer:

x = 10

Step-by-step explanation:

x - 7 = 13 - x

Step 1 : Collect like terms and simplify

x + x = 13 + 7 \\ 2x = 20

Step 2 : Divide both sides of the equation by 2

\frac{2x}{2}  =  \frac{20}{2}

Step 3 : Simplify by cross cancellation of common term : 2

x = 10

4 0
3 years ago
Marion flipped a coin three times. What is the probability that exactly two heads appeared?
Readme [11.4K]
Probability of getting heads: 1/2 

Probability to get 2 heads out of three tries is: 1/8
Work: 1/2 x 1/2 x 1/2 = 1/8
7 0
3 years ago
Find the value of x.<br><br> I added an attachment please help I don't need an explanation.
juin [17]

Answer:

69

Step-by-step explanation:

(x+54+57)=180

x=69

4 0
3 years ago
Read 2 more answers
6x-3-11-8x=2 please show work
Ludmilka [50]

Answer: is x = -8

this is how i got it ______

6 x - 3 - 11 - 8 x = 2

(simplify both sides and combine like terms)

(6x + -8x ) + ( -3 + -11) = 2

- 2x  +  -14 = 2

-2x  -  14 = 2

( then you add 14 to both sides)

- 2x - 14 = 2

     +14       +14

-2x = 16

( then you divide both sides by -2)

-2x / -2   =   16/ -2

x = -8

ta da!! happy to help!

it made it here. this is for the second one.

( first, we subtract 8n from both sides)

13n + 26 = 8n - 29

-8n           -8n

5n + 26  =  -29

( then we subtract 26 from both sides)

5n + 26 = -29

     - 26    -26

5n = - 55

(after that we divide both sides by 5, we do this to make n alone )

5n/ 5 = -55/ 5

n = -11

7 0
2 years ago
B = {(0.5k–5, 10), (k+7, 4)} solve for k
Paul [167]

Answer:

The chosen topic is not meant for use with this type of problem. Try the examples below.

√x+2=3

−4+y=3y+4(y−3)

2+|3x|=2+3

4 0
1 year ago
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