Answer:
To calculate the average speed of the airplane flying from Cairo to Sydney, we can use the formula:
Average speed = Distance ÷ Time
In this case, the distance is 14,418 km and the time is 19.5 hours.
So, the average speed of the airplane would be:
Average speed = 14,418 km ÷ 19.5 hours
Average speed = 739.38 km/h
Therefore, the average speed of the airplane flying from Cairo to Sydney is approximately 739.38 km/h.
Step 1: Convert the time from hours and minutes to hours and decimals
19 and a half hours is the same as 19.5 hours. This is because half an hour is equal to 0.5 of an hour.
Step 2: Calculate the average speed
Average speed is equal todistance traveled divided by time taken:
[tex]\LARGE \boxed{\textsf{Average Speed = $\frac{\textsf{Distance}}{\textsf{Time}}$ }}[/tex]
The distance from Cairo to Sydney is 14,418 km, and the time taken is 19.5 hours. So, we can substitute these values into the formula:
[tex]\Large \boxed{\begin{minipage}{14.05 cm}Average Speed = $\frac{\text{14418 km}}{\text{19.5 hours}}\\ \\\text{Average Speed = 739.38 km/hours (rounded to 2 decimal places)}\end{minipage}}[/tex]
Therefore, the average speed of the airplane flying from Cairo to Sydney is approximately 739.38 km/hour.
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