Answer:
for the first one
Step-by-step explanation:
(x,y)=(4,1)
Answer:
r = 3.42
Step-by-step explanation:
the equation for volume is V = pi r^2 h
550 = 3.14 r^2 15
36 2/3 = 3.14 r ^2
11.6772824 = r^2
3.41720389 = r
r = 3.42
Start at 8 a.m
First class and the break
8.00
1.00
-------- +
9.00
0.10
-------- +
9.10
Second class and the break
start at 9.10
9.10
1.00
------- +
10.10
0.10
-------- +
10.20
Third class and the break
start at 10.20
10.20
1.00
--------- +
11.20
0.10
-------- +
11.30
Fourth class (no break)
start at 11.30
11.30
1.00
-------- +
12.30
Fourth class end at 12.30