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Lunna [17]
2 years ago
5

This is due in 30 minutes please answer!

Mathematics
1 answer:
BigorU [14]2 years ago
6 0
X = -5.4

Hope that helped
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Help me with this, it's Pythagorean theorem.
Blizzard [7]

Step-by-step explanation:

Let x represent the missing side length.

By Pythagoras' Theorem,

We have x² + 12² = 13².

Therefore x² = 13² - 12² = 25 and x = 5.

(x = -5 is rejected as side lengths are positive)

6 0
2 years ago
Read 2 more answers
Two systems of equations are shown below:
Sati [7]
System A:
6x + y = 2
-x - y = -3

System B:
2x - 3y = -10
-x-y = -3

Solve:
System A:
6x + y = 2
y = 2 - 6x
-x - (2-6x) = -3
-x - 2 + 6x = -3
5x = -3 + 2
5x = -1
x = -1/5
y = 2 - 6(-1/5)
y = 2 + 6/5
y = 2 + 1.2
y = 3.2     System A: x = -1/5 or -0.2  ; y = 3 1/5 or 3.2

System B:
2x - 3y = -10
2x = -10 + 3y
x = -5 + 1.5y
-x - y = -3
-(-5 + 1.5y) -y = -3
5 - 1.5y - y = -3
-2.5y = -3 - 5
-2.5y = -8
y = 3.2
x = -5 + 1.5(3.2)
x = -5 + 4.8
x = -0.2   System B: x = -0.2 ; y = 3.2

<span>B) They will have the same solution because the first equations of both the systems have the same graph.</span>

6 0
3 years ago
Read 2 more answers
3. Which of the following statement is TRUE?
hodyreva [135]
I’m pretty sure this answer is B
8 0
3 years ago
10 POINTS PLS ANSWER
Marina CMI [18]

Answer:

x=15

Step-by-step explanation:

x+165degrees=180degrees

x=180-165

x=15

6 0
3 years ago
Which of the following has four faces
Marysya12 [62]
C. The Tetrahhedron has 4 faces, all of which are triangles. It also has four vertices and six edges.
3 0
3 years ago
Read 2 more answers
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