3x is the correct answere
Answer:
no
Step-by-step explanation:
perpendicular means to create a right angle. since it doesn't show there are 2 right angles its not perpendicular. it is however a median from point c.
3 1/2 miles = 7/2 miles
1/2 hours= 30 minutes
So,
In 30 mins, travelled 7/2 miles
In 1 min, travelled 7/2 ÷ 30= 7/2× 1/30 = (7×1)/(2×30) = 7/60 miles
In 60 mins, travelled (7×60)/60 miles = 420/60 miles = 7 miles.
Hence, the speed is 7 miles per hour.
