Saturday

August 23, 2014

August 23, 2014

Posted by **erin** on Wednesday, January 23, 2013 at 12:35pm.

- math -
**Henry**, Thursday, January 24, 2013 at 4:29pmA = (2x-4)(2x+4) = 128.

4x^2-16 = 128

4x^2 = 144

x^2 = 36

X = +-6.

2x-4 = 2*6 - 4 = 8 Mi. = Ht.

2x+4 = 2*6 + 4 = 16 Mi = Base.

.

**Related Questions**

Math - The area of a rectangle is 128 square feet. Its height is twice its base...

Algebra - The area of a parallelogram is 115 square miles the base is= x+9 and ...

Math - Find the area of a circle with a radius of 8 cm. Use 3.14 for pi. Type ...

algebra - the area of the parallelogram is 96 square miles. Find its base and ...

math --- pls check my work! - help pls asap!!! Check my work! 1. Find the area ...

7th grade math Ms. Sue please last questions! - 15. Find the area of a triangle ...

math - find the area of a triangle with the base 1 1/4 and height 4/9 ( Hint ...

math - ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE...

7th grade math please help Ms. Sue - 4. Find the area for a triangle: base 14, ...

Math - Find the area of the triangle with the base 1 2/5 yards and height 5/9 ...