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vichka [17]
2 years ago
7

I need help finding why these triangles are congruent please (30 points)

Mathematics
1 answer:
den301095 [7]2 years ago
7 0

Answer:

SAS therum

Step-by-step explanation:

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Simplify the expression in detail plz
gayaneshka [121]
<span>(18<span>t<span><span>​^2</span><span>​​ </span></span></span>+ 9<span>t^<span><span>​2</span><span>​​</span></span></span>) + (−7t −3t) + 20

</span><span><span>27<span>t<span><span>​^2</span><span>​​ </span></span></span>− 10t + 20</span><span>
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5 0
3 years ago
.The endpoints of AB are A(1,4) and B(6,-1).
Brums [2.3K]

Answer:

5√2

Step-by-step explanation:

<u>Finding</u><u> </u><u>distance</u><u> </u><u>:</u><u>-</u><u> </u>

  • d = √{ ( 1 -6)² + (4+1)²}
  • d = √{ -5² + 5² }
  • d = √{ 25 + 25}
  • d = √50
  • d = 5√2
4 0
3 years ago
1. Grace was given the equation 2x + 20 = 15. She decides to add 10 to both sides of the equation. a.) Is that an acceptable mov
vlada-n [284]

9514 1404 393

Answer:

  • yes
  • 2x +30 = 25

Step-by-step explanation:

Adding the same number to both sides of the equation is an acceptable move. The addition property of equality tells Grace that the value of the variable will remain unchanged by such a move.

Her new equation would be ...

  2x +20 +10 = 15 +10

  2x +30 = 25 . . . . the result of Grace's move

_____

<em>Additional comment</em>

There may be very good reasons why Grace would want to do that. If solving the equation is Grace's intent, that move would be counterproductive. For the purpose of solving the equation, it would be more productive to either subtract 20 from both sides, or divide both sides by 2. These steps would give, respectively, ...

  2x = -5

  x +10 = 7.5

6 0
3 years ago
Find the area of the shape
Gwar [14]

Answer:

3pi

Step-by-step explanation:

First find the area of the entire circle

A = pi r^2

A = pi * 2^2

A = 4 pi

We know that this is 3/4 of a circle so multiply the area by the fraction of the circle

3/4 * 4 pi

3 pi

4 0
3 years ago
Read 2 more answers
What are the rigid transformations that will map AABC to ADEF?​
asambeis [7]

Answer:

A tranlation and a rotaion.

Step-by-step explanation:

In order to map the shapes, you have to translate point A onto point D and then rotate until points C and F, and B and E match up.

6 0
3 years ago
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