Answer:
In 1.25 hours, their combined speed is 40 km, so their speed per hour is 32 km/h
So the answer is B. northbound bicyclist = 18 km/h
southbound bicyclist = 14 km/h
Step-by-step explanation:
the speed of the slower is x and the faster x+4 km/h
that equals 32 km and the speed of the slower is 14 km/hr and the faster 18 km/hr.
in 1h15m the slower goes 17.5 km and the faster 22.5 km
Answer:
28 questions
Step-by-step explanation:
In the first 10 mins she answered 2/5 of 40 which is 16. The remaining amount is 24 questions and half of that is 12. So she answered 12 questions in 15 mins. Finally you add them to get 28 questions in 25 minutes.
Answer:
700 miles
Step-by-step explanation:
Given:
Scale of the map is 
∴ 
Distance of Susan from mount Shasha on the map is 7 inch.
Therefore, Number of miles = 
Hence, Susan must travel 700 miles to reach her destination.
Answer:
Step-by-step explanation:
F(x) =2 when x^2-3
(2)^2-3=4-3=1
Answer:
The volume of cone can be:
or
Step-by-step explanation:
-Use the formula to find the volume of a cone:
-Use both the radius and the height for the formula:
-Then, you solve:
So, the answer can be 
or 
.
