Graph the line. -2x+y=4
1 answer:
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Answer:
breakdown the initial figure into 2 rectangle
and add their area
Answer:
The speed of plane is , and speed wind is
.
Step-by-step explanation:
Given against the wind the airline flew miles in
hours.
including the tailwind the return trip took hours.
Let speed of plane is .
Also, speed of the wind is .
Now, we will find speed on each case.
Speed against the wind is
Speed with the wind is
Now, we will write the equation
Add these equation we get,
Now, plug this value in to get speed of wind
So, the speed of plane in still air is , and speed of the wind is
.