15 POINTS!! PLEASE HELP ASAP!!
1 answer:
Answer:
Total number of kilometers in the ride = 5 km
Number of kilometers Garret has already biked = k km
Number of kilometers Garret left to ride = 5 - k km
Number of minutes Garret takes per kilometer = 4 minutes.
Step-by-step explanation:
1. It takes 4 minutes for Garret to go a kilometer. Then
Number of minutes Garret takes per kilometer = 4 minutes.
2. Suppose the variable is the number of kilometers Garret has already biked.
3. Garret is partway through a 20-minute bike ride. It takes 4 minutes for him to go a kilometer. Then
Total number of kilometers in the ride is
4. Suppose the variable is the number of kilometers Garret has already biked. Then
km is the number of kilometers Garret left to ride.
You might be interested in
Answer:
We get w = 1.508 feet.
Step-by-step explanation:
Let w be the width of the border.
The diameter of the pool will be 10 feet.
The depth will be 3 inches. So, we will convert it to feet.
3 inches =
The circular area including pool and the border, radius =
Border area = Total area - pool area
=
Putting pi = 3.14 and solving the expression we get the following equation:
As given one cubic yard of concrete is to be used, this is the volume to be used.
1 cubic yard = 27 cubic feet
Now using the volume given and thickness of this area that is 0.25 feet.
Solving this quadratic equation, we get w = 1.508 feet and w = -11.508 feet.
Neglecting the negative value, we get w = 1.508 feet.