Answer:
a+2b
Step-by-step explanation:
2(a+2b) -a-2b
2a+4b-a-2b
a+2b
Answer:
Option B 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The perimeter of the figure is equal to sum the length of semicircle plus the length of three sides of a square
<u>Find the length of semicircle</u>
Remember that the circumference of semicircle is equal to

we have

substitute

The perimeter of the figure is equal to

Answer:
x = -13
Step-by-step explanation:
65 + 5x = 0
65 = -5x
divide by -5
-13 = x
Answer:
You cant see the equation
Step-by-step explanation:
Answer:
36 hours.
Step-by-step explanation:
There is 24 hours in a day therefore,
24 x 3 = 72 This is how many hours are in 3 days
72 ÷ 2 = 36 Therefore there are 36 hours in 3 1/2 days
Hope this helps.
-Conrad