Answer:
D. Associative Property
Step-by-step explanation:
The group is being switched around.
Answer:
4
Step-by-step explanation:
can also be written as
. Evaluating this gives
=
= 
Answer:
$0.45x
Step-by-step explanation:
Fred earns dollars. Let Fred earns $x.
Chad earns 45% more than Fred.
We need to find the expression for Chad.
Chad amount = 45% of x

So, Chad earns $0.45x.
Answer:
4082
Step-by-step explanation:
Given
The composite object
Required
The volume
The object is a mix of a cone and a hemisphere
Such that:
<u>Cone</u>
---- radius (r = 20/2)

<u>Hemisphere</u>

The volume of the cone is:



The volume of the hemisphere is:



So, the volume of the object is:





