For this case, the first thing we must do is define variables:
p: plane speed
w: wind speed
With the wind in favor, the speed is:

With the wind against the speed is:

Rewriting both equations, we have the following system of equations:

Then, solving the system of equations (graphically for example), we have the solution is:

Therefore, jet stream's speed:
Answer:
A) p + w = 960; p - w = 600; jet stream's speed = 180 km / h
Answer:
<u>Numbers and plot location given below:</u>
<u />
- √15 = 3.9 located between 3.8 and 4.0
- √46 = 6.8 located between 6.7 and 6.9
- √55 = 7.4 located between 7.3 and 7.5
- √60 = 7.7 located between 7.6 and 7.8
- √96 = 9.8 located between 9.7 and 9.9
- √14 = 3.7 located between 3.6 and 3.9
- √22 = 4.7 located between 4.6 and 4.8
- √75 = 8.7 located between 8.6 and 8.9
- √34 = 5.8 located between 5.7 and 5.9
- √57 = 7.5 locate between 7.4 and 7.6
It will become 61
because anything above 0.5 rounds up
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Below is the solution:
xdy/dx = 4y
<span>xdy = 4ydx </span>
<span>∫ dy/y =∫ 4dx/x </span>
<span>ln(y) = 4ln(x) + C </span>
<span>y = e^[4ln(x)] e^C </span>
<span>y = e^[ln(x)^4] e^C </span>
<span>y = Cx^4 answer</span>
What is her answer? She needs to have an answer. If she doesn't have an answer, then I can't identify the mistake