Tuesday

March 3, 2015

March 3, 2015

Posted by **esmith** on Saturday, July 27, 2013 at 11:16pm.

- Math -
**Chol**, Sunday, July 28, 2013 at 1:56ama= x

b = x+7

c = 13

x^2 + (x+7)^2 = 13^2

= x^2 + x^2 +7x +7x + 49 = 169

= 2x^2 + 14x + 49 = 169

= 2x^2 + 14x + 49 -169= 169-169

= 2x^2 + 14x -120 = 0

= x^2 +7x -60 = 0

(x -5)(x+12)= 0

x = 5

x = -12 ignored when it is negative

a= 5

b = 12

**Answer this Question**

**Related Questions**

Calculus - The top of a 24 foot ladder, leaning against a vertical wall, is ...

Calculus - related rates: a ladder, 12 feet long, is leaning against a wall. if ...

algebra - A ladder is resting against a wall. The top of the ladder touches the ...

Calculus - A 17 foot ladder is leaning against a wall. The bottom of the ladder...

Analytical Geometry - A 10 foot long ladder is leaning against a vertical wall ...

Algebra 1 - A ladder is resting against a wall. The top of the ladder touches ...

Calculus--Please Help! - A 13-foot ladder is leaning against a vertical wall. If...

College Calculus - A 13-foot ladder is leaning against a vertical wall. If the ...

Math - A ladder is two feet longer than the height of a certain wall. When the ...

Maths - A15- foot ladder is leaning against a 30- foot wall. The bottom end of ...