1 answer:
Answer:
x=59 y= 81 z= 99
Step-by-step explanation:
z=
180-(57+24)=99
y=180-99=81
x= 40+81=121
180-121=59
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4x - 2(3x - 9)....distribute the 2 thru the parenthesis
4x - 6x + 18....combine like terms
-2x + 18 <===
Answer:
Triangle: 120
Quadrilateral: 90
Pentagon: 72
Octagon: 45
Decagon: 36
30-gon: 10
50-gon: 7.2
100-gon: 3.6
Step-by-step explanation:
360/n = the measure on the exterior angle
n = the number of sides
This equals 365 i know that is not what you ask but this is what i know
So,
Here we have the following algebraic expression:

The first term of this expression is -5x.
This term is clearly a variable term. The variable is x and its coefficient is -5.
X=3
Just look at where the two lines intercept and see the x value