Which relationship is always correct for the angles x, y, and z of triangle ABC?x + z = y
y + z = x
x + y + z = 180 degrees
x + y + z = 90 degrees
Answers
Answer:
y + z = x
Step-by-step explanation:
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
x is an exterior angle of the triangle, thus
y + z = x
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Answers
The expression is 3x.
What is an expression?
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
We can write an expression as,
(1/3) x (9x)
= (9/3)x
= 3x
Thus,
The expression is 3x.
Learn more about expressions here:
#SPJ2
x=-26
X=15
X=-5
x=-15
Answers
-1x-11=-2x+4
-11=-1x +4
-15=-1x
15=c
Answers
change (-6,3) into (6,3)?
Answers
Answer:
A reflexion across the y-axis
point (x , y) reflected across the y-axis is point (-x , y)
Answer:
Reflection
Step-by-step explanation:
From the coordinates, the x variable changes its sign without having to change its y variable. So translation is impossible here.
Rotation would also be impossible to achieve this since it the coordinates would switch.
Answers
3, 3 ,3 ,7 ,8 ,8 ,11 ,11 ,13 ,14 ,15 ,17, 18, 19, 21, 23, 23 ,25,27, 28, and 29.