Answer:
11309.7 cm
Step-by-step explanation:
Volume = πr^2h
= π×20^2×9
= 3600π
= 11309.733552923
=11309.7 cm
Answer:
You find the perimeter by adding all the side measurements of the shape (in this case, a right triangle) together.
~
Answer:
8x > 9y
Step-by-step explanation:
Since the first hen laid 8 eggs a week, the amount of eggs can be represented by 8x.
The second hen laid 9 eggs a week, so it can be represented by 9y.
The first hen laid more eggs than the second hen, so use a greater than inequality.
Put this all together:
8x > 9y represents this relationship
Answer:

Step-by-step explanation:
Use FOIL:
<em>(a + b)(c + d) = ac + ad + bc + bd</em>
<em></em>

<em>combine like terms</em>
