The surface area of the sphere is given by the equation
,
where A is the surface area and r is the radius.
We want to find the volume of the sphere, which is given by the equation
,
where V is the volume and r is the radius.
Looking at these equations, we see that they both involve the sphere's radius. If we know what r is, we can calculate the volume.
We know that the sphere's surface area is . Plugging that in for A in the surface area equation, we get
, then divide by
, then divide by 4
, then take the square root of both sides
So the radius of the sphere is 3. Plugging this into the volume equation,
, simplify terms
, multiply by 27
So the volume of the sphere is .
Answer:
the answer is B
Step-by-step explanation:
write -8 form of 2 on up and complete other steps
<span>To determine Karla's average speed, you simply divide the total distance she traveled by the amount of time she spent traveling.
So first, you need to determine how many miles Karla drove. You do this by simply adding up the distances together.
486 miles + 316 miles + 638 miles = 1440 miles.
The may have taken 3 days for her trip, but during those 3 days, she only drove for 24 hours. So divide the distance by the time, giving:
1440 miles / 24 hours = 60 miles/hour.</span>