Answer:
D. 28°, 38°, 114°
Step-by-step explanation:
The sum of any internal triangle is 180°, none of the other options = 180°
12)
(intro) Slope is change in y divided by change in x (axes). Here, the y axis is depth and the x axis is hours. So, the slope is change in depth between any two points, divided by the change in hours between the same points. The slope of this line is half a foot depth divided by 2 hours.
a) So, the slope is 0.5 / 2 = 0.25, or 1/4.
b) The graph shows a constant rate of change because the line is straight (it increases at the same speed. If the line was curving, it would not be a constant rate of change).
c) Yes, because the line has a constant rate of change now.
Answer:
y=3
x=3
Step-by-step explanation:
2x +3y=15
2x-2y=-12
y=3
x=3
You substitute the y from the second eqaution to the y in the first equation
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