9514 1404 393
Answer:
6 feet
Step-by-step explanation:
The volume of a cylinder is given by ...
V = πr^2·h
For a sphere, the volume is ...
V = 4/3πr^3
You want the volumes to be the same when h=8, so we have ...
πr^2·8 = 4/3πr^3
Dividing by πr^2, we have ...
8 = 4/3r
r = 3/4·8 = 6
The radius is 6 feet.
X is horizontal while y is vertical
Answer:
90 quizzes
Step-by-step explanation:
In 7 weeks, 63 quizzes
In 10 weeks, x quizzes
Making a proportion,
7/10 = 63/x
Cross multiplying,
7x = 630
Dividing by 7 on both sides,
x = 90 quizzes
0+a+b
a=2
b=10
0+2+10=12/3=4
4=2a
5a is the answer.