Answer:
Step-by-step explanation:
a) r = 10/2 = 5 feet
Area of floor =πr² =3.14*5*5 = 78.5 feet²
B) h = 3 foot
Volume of cylinder = πr²h = 3.14*5*5*3 = 235.5 cubic feet
Volume of hemisphere =2/3πr³= 2*3.14*5*5*5/3=261.67 cubic feet
Volume of space inside the observatory = 497.17 cubic feet
Answer: C
Step-by-step explanation: i just did this test
if there's 1 boy to every 4 girls, there's going to be 5 boys for every 20 girls
Answer:
6.3+1.1
Step-by-step explanation:
The communitive property of addition states that no matter what order of the numerical values the answer will be the same. hope this helps