Modeling an Equation Arrange the tiles on both boards to model the equation
Use the algebra tiles to model the equation
2x + 4 = 3x + (-1). Then complete the sentences.
To model 2x + 4, you need:
positive x-tiles to represent 2x.
positive unit tiles to represent 4.
.
To model 3x + (-1) you'll need:
3 y x-tiles to represent 3x.
1
unit tile to represent-1.
Board sum: 0
Reset

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?