Answer:
38.81cm³
Step-by-step explanation:
Volume of a sphere = 4/3πr³
Diameter is 4.2
radius= 4.2/2 = 2.1 or 21/10
4/3 × 22/7 × 21/10 × 21/10 × 21/10
= 4851/125
= 38.808
≈38.81cm³
This is number 8. the second person got number 9
Answer:
Step-by-step explanation:
i don't know how to show you the graph so i took a screenshot on my computer of the graph and post it up for you
Answer:
circle(50)
Step-by-step explanation:
The circle should have a diameter of 50 so the answer is simply "circle (50)"
Answer:
[
3
,
∞
)
Set-Builder Notation:
{
x
|
x
≥
3
}
Step-by-step explanation:
