## How many five-character passcodes are there that contain at least one digit?

1) A course code at Canisius consists of three upper-case letters followed by a non-zero digitfollowed by two more digits. How many possible course codes are there?
2) A variable name in the language C++ starts with a letter and can be followed by zero or moreletters, digits, and underscore characters. How many possible five-character variable names arethere?
3) Passcodes are defined to be any combination of lower-case letters and numbers. How many five-character passcodes are there that contain at least one digit? Be sure to use the complementmethod in determining your answer.

### Derive expressions for the largest mass that can be lifted through a height h in the surroundings in these processes.

CHEM 301 Physical Chemistry I Homework 1- Chapters 1-2 1. Calculate the value of CP at 298 K and 1 atm pressure predicted for CH4(g) and C2H4(g) by the classical….

### Find a function f(x) substantially different from fr22 that has no antiderivative (in terms of elementary fimctions).

4. Find a function f(x) substantially different from fr22 that has no antiderivative (in terms of elementary fimctions). In this problem you will approximate J (x) dx in two different….

### Use Heron’s formula to find the area of the triangle.

Use Heron’s formula to find the area of the triangle. Round to the nearest square unit. 17) a = 10 meters, b 14 meters, c = 6 meters A) 48….