tiwaribianca475
30.10.2019 •
Mathematics
Atrain traveling 50 mph left a station 30 minutes before a second train running at 55 mph. how soon did the second train overtake the first?
5.5 hours
5.25 hours
5 hours
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Ответ:
The correct answer is 5 hours.
~Hope it helps!~ :)
Ответ:
The value of QR is 12.
Explanation:
It is given that the Points T,U, V are midpoints of the sides of ΔQRS . TV =5.4 and UV = 6.
The midpoint theorem states that the if a line segments connecting two midpoints then the line is parallel to the third side and it's length is half of the third side.
Since U and V are midpoints of RS and SQ respectively.
So by midpoint theorem length of QR is twice of UV.
Therefore, the length of QR is 32.