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AlexFokin [52]
3 years ago
10

Which system is represented by the graph?

Mathematics
1 answer:
natulia [17]3 years ago
4 0

Answer:

The answer to your question is the first option

Step-by-step explanation:

Process

1.- Identify the y-intercepts of the lines

blue line   y-intercept = -1

brown line  y-intercept = -2

With this information, we can discard the last option because those lines don't have those y-intercepts.

2.- We observe in the graphs that the lines are increasing so the slopes are positive. From this information, we can discard the second option.

3.- Calculate the slopes of the lines of options 1 and 3

Blue line Points  (0, -1)   (1, 2)

            m = \frac{2 + 1}{1 - 0} = \frac{3}{1} = 3

Brown line Points (0, -2) (1, 1)

            m = \frac{1 + 2}{1 - 0} = 3

As the slopes are 3, we conclude that the answer is the first option.

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A person sights a boat from 235 feet above sea-level as shown. If the angle of depression from the man to the boat is 21 , then
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Answer:

B = 612.2 ft

Step-by-step explanation:

Solution:-

- The elevation of person, H = 235 ft

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- We will sketch a right angle triangle with Height (H), and Base (B) : the boat's distance to the edge of the cliff and the angle (θ) between B and the direct line of sight distance.

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