Answer:
82.5 km
Step-by-step explanation:
Given:
Cross-multiply.
2x = 11(15)
Divide both sides by 2 and solve for x.
x = 82.5 km
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1 answer:
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Answer:
(x, y) = (1, 1)
Step-by-step explanation:
Using the second equation to substitute for y in the first equation, we have ...
x = -2x +3
3x = 3 . . . . . . . add 2x
x = 1 . . . . . . . . .divide by 3
y = x = 1
The solution is (x, y) = (1, 1).
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If you have the graph, you can read the solution from it as the coordinates of the point where the lines cross.
