Work backwards: 8/2=4. 5+x=4 which means 1+x=0. x=-1
A semi circle is half of a circle, and since a circle is (pi)r^2, it would be 1/2 (pi) r^2. Since the radius is half the diameter, we would turn the 36 inches into 18 inches. So 18in is your radius. Plug it in and you've got it. :)
Answer:
7/3
Step-by-step explanation:
6- 13 = -7
0-3 = -3
7/3
Answer:
52/997
Step-by-step explanation:
i just know and i checked it on khan academy