15 miles * 5280 ft/mile = 79200 ft
1 hour * 60 minutes/hr = 60 minutes
79200ft/ 60 minutes
1320 ft/min
The surface area of a sphere is 4r^2pi, so dividing 100 by 4pi gives a result of 25/pi. Taking the square root and rationalizing the denominator, we have 5sqrt(pi)/pi as the radius of the sphere.
Answer:
40
Step-by-step explanation:
8 and 5 are factors of 40. (8 x 5 = 40)
Answer:
69
Step-by-step explanation:
23 on each shelf x 3 shelves = 69 books
3z because the product means multiplication so it would be 3 times z which is just 3z