Asked by masha
two airplanes depart simultaneously from an airport.One flies due south, the other flies due east at a rate 20 mi/h faster than that of the other airplane. After one hour , radar indicates that the airplanes are approximately 450 mi apart. What is the ground speed of each airplane?
Answers
Answered by
John
This is a right triangle.
The legs are (x+20)1 and 1x
(x+20)^2 +x^2 = 450^2
2x^2 +40x + 400 = 202500
2(x^2+20 x + 200) =202500
x^2 + 20x + 200 =101250
x^2 + 20x -101050 = 0
Can you finish from here?
The legs are (x+20)1 and 1x
(x+20)^2 +x^2 = 450^2
2x^2 +40x + 400 = 202500
2(x^2+20 x + 200) =202500
x^2 + 20x + 200 =101250
x^2 + 20x -101050 = 0
Can you finish from here?
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.