Answer:
In terms of pi: 243
in decimal form: 763.407
Step-by-step explanation:
to find surface area of a hemisphere the formula is,

diameter (d) = 18
radius = d / 2 = 18 / 2
radius = 9

Answer:
yes bc if u do it regular 3 divided by 2/3 is 4.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
Since population std deviation is not known, we use t critical value for testing of hypothesis.
a) 90% conf level when n =28
df = 27, t critical = 1.706
b) 95% 28
df =27 and t critical = 2.052
c) 90% and 15
df =14 and t critical = 1.761
d) 95% and n =15
df =14: t critical = 2.145
Answer:
222- 50+1=0? 225 - 50 = 175 175+1 = 176 176+0 = 176
Answer:
x+y=100
3x+8y=25
Step-by-step explanation:
So there are around 3 essay questions