The complete question is
<span>Sarah rides her horse for 2 1/6 hrs with a constant speed of 6 km/hr and then for another 2 hours and 5 minutes with a constant speed of 12 km/hr what is her average speed for the total trip?</span>
we know that
speed=distance/time
1) Sarah rides her horse for 2 1/6 hrs with a constant speed of 6 km/hr
time=2 1/6 hrs----> 13/6 hrs
speed=6 km/h
distance=speed*time----> 6*(13/6)---> 13 km
2)for another 2 hours and 5 minutes with a constant speed of 12 km/hr
time=2hrs+5 minutes----> 2+(5/60)--> 125/60 hrs
speed=12 km/hrs
distance=speed*time----> 12*(125/60)---> 25 km
3) find the average speed for the total trip
total distance=13 km+25 km----> 38 km
total time=(13/6)+(125/60)----> (10*13+125)/60----> 4.25 hours
speed=38/4.25----> 8.94 km/hrs
the answer is
8.94 km/hrs
Answer:
Step-by-step explanation:
To find the angular velocity divide the revolutions by the time
so
Remember that
Convert rev/sec to rad/sec
assume 
Answer:
17
Step-by-step explanation:
i multiplied 17 by 20 and that gave me 340 which is greater than 300
Answer: A= 1/2bh
The b is for base and the h is for height
Similar, so the dimentions and thus the area should be in proprotion
bigger one is 4 times of smaller one
96=4 times smaller
divide b 4
24=smaller
smaller=24 square cm
