Sunday

September 21, 2014

September 21, 2014

Posted by **Casey** on Thursday, December 6, 2012 at 10:11pm.

- Math -
**Steve**, Thursday, December 6, 2012 at 10:41pm(6+x)(5+x) = 3*(6*5)

x^2 + 11x + 30 = 90

x^2 + 11x - 60 = 0

(x+15)(x-4) = 0

x = 4 -- we like positive dimensions

check: (6+4)(5+4) = 90 = 3*30

**Answer this Question**

**Related Questions**

Algebra II - A rectangle is 5 inches wide and 6 inches long. If each side is ...

math - a rectangle is twice as long as it is wide. if both of its dimensions are...

algebra - The sides of an rectangle was 5cm by 9cm. When both dimension were ...

math - A rectangle is 4 inches wide by 7 inches long. When the length and width ...

MATH OMG HELP - The base and height of an original rectangle are each increased ...

math - joans rectangular garden is 6 meters long and 4 meters wide she plans to ...

math-geometry - 1. A rhombus has a perimeter of 96, and the length of one of its...

Help math - The length of a certain rectangle is quadrupled and the width is ...

algebra - i need help finding the base. this is the equation i got after work it...

math (college) - write a quadratic function needed to find the dimension of the ...