Prove that 0 is a real number in detail. better answer using simple mathematical methods

real

Step-by-step explanation:

If i have one pencil and i break it i now have 0 pencils if 0 wasnt a number i wouldnt be able to describe how many i have using numbers.

80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

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a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)