The perimeter of a rectangle = 2(L+B)
therefore, 40 = 2(L+B)
40/2 = L+B
20 = L+B
3L+B = 20
B= 20/4
= 5
L= 5*3
= 15
i hope this helps
Hello!
To solve for x in algebraic equations, we need to use SADMEP. SADMEP is only used to solve these equation, and our goal is to isolate x. SADMEP is known as: subtraction, addition, division, multiplication, exponents and parentheses.
4x + 8 = 2x + 7 + 2x - 20 (simplify alike terms)
4x + 8 = 4x - 13 (subtract 8 from both sides)
4x = 4x - 21 (subtract 4x from both sides)
0 = -21
This equation has no solutions because 0 is not equal to -21, and is identified as neither because it has no real solutions.
Answer:
1/3
Step-by-step explanation:
There are 9 total outcomes, and 3 are favorable, or are two of the same color in a row. 3/9 simplifies to 1/3. Hope this helps!