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Answer:
15 inches
Step-by-step explanation:
The longest side of the right triangular window frame is 39 inches
The height is 36 inches
Let the base of the window frame be x inches
So according to Pythagoras theorem,
x² + 36² = 39²
x² = 39² - 36² = 225
x = = 15 inches
The third side of the window frame is therefore equal to 15 inches.
Answer:
1,350 meters per min
Step-by-step explanation:
Given that Mr. Castelli covers 125 miles in 2.5 hours, the average speed = .
In miles per hr, average speed = .
Converting 50 miles/hr to km per hr:
If 1 miles = 1.62 km (unit conversion)
50 miles = 50*1.62 = 81 km/hr
Converting 81 km/hr to meters per hr:
1 km = 1,000 m (unit conversion)
81 km = 81*1,000 = 81,000 m/hr
Converting 81,000 m/hr to meters per minutes:
60 mins = 1 hr
Therefore, average speed =
Average driving speed of Mr Castelli in meters per minute = 1,350 meters per minute.