Answer:
Step-by-step explanation:
L= 3W
Perimeter = 2(l+w) = 40
2(3w+w) = 40
2*4w = 40
8w =40
w = 5
l = 3*5 = 15
Answer:
http://mansfieldalgebra1.weebly.com/uploads/1/0/4/4/10447339/rc_2_answer_key.pdf
Step-by-step explanation:
Answer:
Example
Step-by-step explanation:
1 Determine if the value 3 is a solution of the equation .Notice in the equation 3x + 3 = x + 13, the solution 5 is not evident by . 2x-2x + 9 = 3x- 9-2x+ 9. 9 = x. from which the solution 9 is obvious. If we wish, we .
Missing: 7.2. PS- 173.
hope this helped