Answer: x - 2
<u>Step-by-step explanation:</u>
HCF is more commonly referred to as GCF (greatest common factor)
Factor each expression to see which factor(s) they have in common.
The only factor that all three expressions have in common is: x - 2
A dog eats 7 cans of food in 3 days. At this rate, how many cans of food does the dog eat in 3 + d days?
2 answers:
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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 .