Which example does NOT show the commutative property of addition?
2 answers:
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Answer:
m <1 = 61
Step-by-step explanation:
We know that the angle adjacent to 130 is 50 degrees because linear angles are complementary.
Extending line t to make a triangle, we can find the angle adjacent to the angle labeled 111 ( and above it) is 69.
That makes the angle that touches line q 61 to finish the triangle
This angle and angle 1 are corresponding angles, so they are equal
<1 = 61
Answer:
Step-by-step explanation:
a = BC - DC
= tan 28°
BC = ≈ 112.8 m
DC = ≈ 43.6 m
a ≈ 112.8 - 43.6 = <em>69.2 m</em>
9514 1404 393
Answer:
slope = 1
Step-by-step explanation:
In the attachment, we have shown rise and run as 3 units each. The segments could be drawn 1 unit long. In any event, the ratio is the slope:
slope = rise/run = 3/3
slope = 1
_____
It is most convenient to draw the rise and run segments from/to places where the line crosses grid intersections. Often, but not always, the y-intercept will be such a point. Then you can look for the nearest grid crossing for figuring rise and run.
Here, the y-intercept is (0, 1), and the closest grid crossing to the right is (1, 2). The rise is 2-1 = 1, and the run is 1-0 = 1. The ratio is 1/1 = 1, same as above. The ratio of rise to run will be the same everywhere for a straight line.
