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mezya [45]
3 years ago
13

Need Help ASAP

Mathematics
1 answer:
iren2701 [21]3 years ago
8 0
The sum of the interior angles of a triangle is 180 degrees

2x-9+3x+x+3=180
6x-6=180
6x=186
x=31

A=2(31)-9
A=62-9
A=53
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Twelve less than four times a number is -11. *
Nutka1998 [239]
EXPLANATION:
Let the no. be x.
4x-12= -11
4x= -11+12
x=1/4
x=0.25

ANSWER:
x=0.25

Hope it helps u! :)
6 0
3 years ago
X = y - 3
Leviafan [203]
The answer is A. (1, 4), because when the values are substituted in to the equations, you get 1 = 4 - 3 and 1 + 12 = 13, which are both correct. I hope this helps!
3 0
3 years ago
G(x) = -0.5x^2 + 4x – 2
-BARSIC- [3]

Answer:

Step-by-step explanation:

What is the question?

g(x) = -0.5x² + 4x - 2 is a down-opening parabola. Do you need to know how to put it in vertex form?

vertex (4,6)

focus (4,5.5)

5 0
2 years ago
The equation shows the relationship between x and y:
Alex_Xolod [135]
This is in slope-intercept form which is y=mx+b
where m is the slope and b is the intercept
in this equation -7 is m
The correct answer is -7
5 0
3 years ago
Solve for x.<br> 163 - x= -52<br> O A r = -215<br> B. X=-111<br> C. x = 111<br> D. x = 215
Eduardwww [97]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
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