Answer: Volume formula is V=a2 h/
3
Step-by-step explanation:
Answer:
(a) Normal model


Step-by-step explanation:
Given


Solving (a): The distribution type
The sample follows a normal model
Solving (b): The mean
This is calculated as:

So, we have:

Express as decimal

Solving (c): The standard deviation
This is calculated as:

So, we have:

Express as decimals





Answer: why is there two a’s?
Step-by-step explanation:
if those are the correct angles then 1 can be formed because every triangle always adds up to 180
Answer:
20 in
Step-by-step explanation:
you'd just multiply the length of the airplane by 4
Answer:b
Step-by-step explanation:
Circumference, C = 2pi×r
=2×pi×10
= 20pi cm