Answer:
6.4 kilometer
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Step-by-step explanation:
See the attached figure.
Let Julian starts from point O (0,0)
Julian jogs 2 kilometers east ⇒ arrived to point A (2,0)
4 kilometers north ⇒ arrived to point B (2,4)
and then 7 kilometers west ⇒ arrived to point C (-5,4)
How far is Julian from his starting position?
So, it is required to find the distance OC
From the graph OC =
So, the distance from his starting position ≈ 6.4 km (to the nearest tenth of a kilometer)
Answer:
The correct answer is 6.4 kilometers for khan Academy
Step-by-step explanation:
(A) First, write an equation you can use to answer this question. Use x as your variable.
The equation is
(B) Solve your equation in part (A) to find the number of labor hours needed to do the job.
Answer: The number of labor hours was __________________.
Equation: 53x + 460 = 1096
Solution 1096 - 460 = 53x
636/53=x
12=x
12 hours