# We need help with Absolute Value

1. Sep 9, 2007

### uyenchristine

Okay, we don't understand this and we need much help

the largest pyramid included in the first wonder of the world is Khufu. IT stands 450 feet tall and its base is 755 feet long. Imagine that a coordinate plane is placed over side of the pyramid. In the coordinate plane, each unit represent one foot and the origin is at the center of the pyramid base. Write an abolute value function for the outline of the pyramid

2. Sep 9, 2007

### bomba923

Last edited: Sep 9, 2007
3. Sep 9, 2007

### uyenchristine

no one answered the other one.

4. Sep 9, 2007

### HallsofIvy

Staff Emeritus
Do you know what "absolute value function" means?

5. Sep 12, 2007

### uyenchristine

hey...help me on this problem of simultanous linear equation;

2x-3y=9t
4x-y=8t

6. Sep 12, 2007

### Capuchin

Multiply your first equation by 2 and subtract the formulas from each other.
And someone move this to a new thread :)

7. Sep 12, 2007

### CompuChip

For the solution: try multiplying the top one by 2 and subtracting them.