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Juliette [100K]
3 years ago
12

Which postulate or theorem proves that these two triangles are congruent?

Mathematics
2 answers:
Olenka [21]3 years ago
4 0

Answer:

SAS congruence postulate. sweetheart.

Step-by-step explanation:


EastWind [94]3 years ago
3 0

Answer:

It would be SAS sweetie

Step-by-step explanation:


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Ashley solved the equation for m using the following steps. -4.5 + m = 17 -4.5  -4.5 m = 12.5 What was Ashley’s error?
abruzzese [7]
Ashley's error is that she multiplied m by - 4.5, when she should be adding.


- 4.5 + m = 17 - 4.5 \\  - 4.5 + m = 12.5 \\ m = 17

Hope this helps. - M
7 0
3 years ago
Read 2 more answers
A rectangle has vertices (-1, 1), (-4, 1), (-1, 3), and (-4, 3). If the
Cloud [144]
(-4,8) is the answer
4 0
3 years ago
please someone help with this question we are doing angle properties in polygons and I can't figure out b) i will give brainest
labwork [276]

 Answer:

a)  a = 60°  b = 60°   c = 120°  d = 60°

b)  a = 140°   b = 20°  c = 60°    d = 60°

Step-by-step explanation:

a)   Sum of the angles of a hexagon = (6 - 2)180 = 720

Since the hexagon is regular, c = 720/6 = 120

a and c are supplementary, so a = 180 - 120 = 60

d = 120/2 = 60

b)  

sum of the angles of a nonagon = (9 - 2)180 = 1260

a = 1260/9 = 140

140 + 2b = 180

         2b = 40

           b = 20

c = 60  and d = 60  (This is really difficult to explain with the vertices being labeled)

7 0
2 years ago
Use the substitution method to solve each linear system. 4x - 3y = -13,-2x + y = 4
Contact [7]

Answer:

The solutions to the system of equations are:

x=\frac{1}{2},\:y=5

Step-by-step explanation:

Given the system of the equations

\begin{bmatrix}4x-3y=-13\\ -2x+y=4\end{bmatrix}

Isolate x for for 4x-3y=-13

4x-3y=-13

4x=-13+3y

Divide both sides by 4

x=\frac{-13+3y}{4}

substitute y=5

x=\frac{-13+3\cdot \:5}{4}

x=\frac{1}{2}

The solutions to the system of equations are:

x=\frac{1}{2},\:y=5

8 0
2 years ago
UN NUMERO SE PUEDE ESCRIBIR COMO 2 POR 2 POR 3 POR 5.SI MULTIPLICAS ESTE NUMERO POR 6,¿CUAL SERA SU FACTORIZACION EN PRIMOS?¿Y S
shusha [124]

Answer:

2,880

Step-by-step explanation:

La facturación en primas sería de 2,880

4 0
3 years ago
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