U + 4u (u = 6) Answer please

What're yu still doing up? *_*

u + 4u = ?

According to the question, the value of u is 6.

6 + 4(6) = 6 + 24 = 30

u + 4u = 30 (If the value of u is 6)

-4

step-by-step explanation:

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere