Answer:
C) supplementary angles
D) straight angle
Step-by-step explanation:
There is a straight line, and when an angle is a straight it means its 180 degrees which makes it a supplementary angle and a straight angle.
There are no angles that are 90 degrees so its not complementary or a right angle.
Answer:
x = - 0.23 or -(3/13)
Step-by-step explanation:
Question: x+3/-6 =2x
x + 3 = - 6 * 2x
x + 3 = -12x
3 = -12x - x
3 = -13x
x = - 3/13
Answer:
C. 
Step-by-step explanation:
We have been given a triangle. We are asked to find the measure of angle Z using Law of cosines.
Law of cosines: 
, where, a, b and c are sides opposite to angles A, B and C respectively.
Upon substituting our given values in law of cosines, we will get:
Now, we will use inverse cosine or arc-cos to solve for angle Z as:
Therefore, the measure of angle Z is approximately 51 degrees.
Answer:
-3.9, 3 5/11, 15, 3.07x10²
Step-by-step explanation:
3.07 x 10² = 307
3 5/11 = 3.454545
15
-3.9
Least to Greatest:
-3.9, 3 5/11, 15, 3.07x10²
