3 years ago

PLS HELP!!!!! Medal!

1 answer:

6 0

The volume V of a sphere is four-thirds times pi times the radius cubed. V=4/3*Pi*Radius^3 Hence the answer is D) 33,493.3 cm^3 V = 4/3 * Pi * 20^3 = 33,493.3 cm^3

You might be interested in

5 cm Find the total surface area of the cylinder. 10 cm

tatiyna

Answer: Area of a right circular Cylinder--- curved surface area -2πrh Total surface area -2πr(r+h),where 'r' is the radius of the circular surface and 'h' is the height of the cylinder.

3 0

3 years ago

Write an algebraic equation for this tape diagram. Then determine the value of x. You may use a calculator.

tresset_1 [31]

Answer:

3× + 16 = 22.75

3× = 22.75 - 16

3x = 6.75

3 3

x = 2.25

7 0

3 years ago

Q7 Q7.) Find the unit vector in the same direction as v.

igor_vitrenko [27]

Use Pythagorean theorem:

9i-j = sqrt (9^2 - 1^2) = sqrt(81-1) = sqrt80

now divide both terms in V by that:

u = 9/sqrt(80)i - 1/sqrt(80)j

see attached picture: