Saturday

September 20, 2014

September 20, 2014

Posted by **Tim** on Tuesday, September 10, 2013 at 8:21pm.

- Algebra2 -
**Steve**, Tuesday, September 10, 2013 at 9:12pm4a = 4b+12

a^2 = b^2+39

(b+3)^2 = b^2+39

b^2+6b+9 = b^2+39

6b=30

b=5

so, a=8

check:

4*8 = 32 = 4*5+12

8^2 = 64 = 5^2+39

**Answer this Question**

**Related Questions**

algebra - The perimeter of a square is 12cm greater than that of another square...

2nd grade math - If you have a rectangle with 24 square units 3 lines down 8 ...

geometry - Find the length of a side of a square whose perimeter and area have ...

Math - Find the Maximum area for the given perimeter of a rectangle. State the ...

Math - There's a triangle the numbers on each sides are 22 25 and 11 What is it'...

grade 3 math - 1) what is the greates perimeter of a rectangle with an area of ...

math - one of the two numbers that can be both the perimeter and the area of the...

math - square x has an area of 100 square units. Square Y has a perimeter that ...

Pre-Calculus - Composition of Functions f o g(x)=f(g(x)) --> I know that this...

math - A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X ...