Answer:
-7
Step-by-step explanation:
substitute the given values into the expression
xy-x
(-2 times 3)-1
-6 - 1 = -7
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:
Make into improper fraction so 3x100 +90= 390/100
Then divide 390 by 100 and you get 3.9