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Anna [14]
3 years ago
10

Determine whether the triangles are similar. If so, what are the similarity statement and the postulate or theorem used?

Mathematics
1 answer:
boyakko [2]3 years ago
4 0
The answer is d 
sides and angles show similarity
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What is the value of x <br><br> A. 20<br> B. 34<br> C. 60<br> D. 69
Grace [21]

Answer:

A

Step-by-step explanation:

The given angles are vertical and thus congruent, so

3x = x + 40 ( subtract x from both sides )

2x = 40 ( divide both sides by 2 )

x = 20 → A

4 0
4 years ago
1. y &gt; 2x + 3 graph it, <br> 2. 3x + y = 4 and x - y = 0, solve for x.
kirza4 [7]

Answer:

  1. see the attachment
  2. (x, y) = (1, 1)

Step-by-step explanation:

1. Since you have y > ..., the boundary line is dashed and the shading is above it (for y-values greater than the values on the line). The boundary line is ...

  y = 2x+3

which has a y-intercept of 3 and a slope (rise/run) of 2. A graph is attached.

__

2. You can add the two equations to eliminate y:

  (3x +y) +(x -y) = (4) +(0)

  4x = 4

  x = 1

  1 - y = 0 . . . . substitute into the the second equation

  1 = y . . . . . . . add y

The solution is (x, y) = (1, 1).

8 0
4 years ago
Which equation represents a circle that contains the point (–5, –3) and has a center at (–2, 1)?
melisa1 [442]

Answer:

(x + 2)² + (y - 1)² = 25

Step-by-step explanation:

radius: r² = (1 - (-3))² + (-2 - (-5))² = 16 + 9 = 25

r = 5

Circle: (x - h)² + (y - k)² = r²

center: (-2 , 1)      h = -2       k = 1

(x + 2)² + (y - 1)² = 25

3 0
3 years ago
Read 2 more answers
What is 5/9 divided by 7/9
N76 [4]

Answer:

5/7

Step-by-step explanation

When dividing a fraction by a fraction it is the same as multiply the inverse of the bottom fraction, so 5/9 times 9/7 so the 9's cancel and your left with 5/7

4 0
4 years ago
Find the lowest common denominator of 3/x^3y and 7/xy^4
muminat

Answer:

i dont know get good at math

Step-by-step explanation:

7 0
4 years ago
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