What is the y-intercept of a line that has a slope of 3 and passes through point (-1, -7)?
2 answers:
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Answer: 70 meters.
Step-by-step explanation:
Observe the figure attached.
The distance between the walls is:
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Both triangles are right triangles. Therefore, you can calculate the distance between the walls as following:
- Calculate the distance AD:
- Calculate the distance AE:
Therefore the distance between the walls is:
1. - 4 =
=> x = - 36
___________
2. -18 = 6t
=> t =
=> t = -3
___________
3. x - 18 = -72
=> x = - 72 + 18
=> x = - 54
___________
4. -18 = x - 15
=> x = -18 + 15
=> x - 3