Cutting the corner off a cube would add 3 edges to it. So, two corners would generate us 6 new edges plus the original 12, making it 18.

asked 2021-08-09

The volume of a cube is increasing at the rate of 1200 cm³/min at the instant its edges are 20 cm long. At what rate are the edges changing at that instant?

asked 2021-01-02

asked 2021-05-19

asked 2021-05-30

Justine works for an organization committed to raising money for Alzheimer’s research. From past experience, the organization knows that about 20% of all potential donors will agree to give something if contacted by phone. They also know that of all people donating, about 5% will give $100 or more. On average, how many potential donors will she have to contact until she gets her first $100 donor?

asked 2021-08-07

asked 2021-08-14

The radius of a sphere is increasing at a rate of 2 mm/s. How fast is the volume increasing when the diameter is 100 mm?