40 points of you can answer this question. what is the volume of a hemisphere with a radius of 8

Volume of hemisphere is equals to 1071.78666 cubic unit

Step-by-step explanation:

Given: radius of hemisphere=8 unit

A hemisphere is a 3-dimensional object that is half of a sphere.

Volume of hemisphere is equal to two thirds multiplied by pi multiplied by radius to the power 3.

Formula: Volume of hemisphere(V) where r is the radius of the hemisphere and the value of pi is constant i.e,

Now, substitute the value of r to find the volume of hemisphere,

Volume of hemisphere(V)=

∴ =1,071.78666 cubic unit.

b

step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (3, - 5) ← 2 points on the line

m = = = - 3

with m = - 3 and (a, b) = (3, - 5), then

y - (- 5) = - 3(x - 3), that is

y + 5 = - 3(x - 3) → b