If y varies directly as x, and y is 18 when x is 5, which expression can be used to find the value of y when x is 11? a. y=5/18(11)b. y=18/5(11)c. y=(18)(5)/11d. y=11/(18)(5)

B

18 = 5x

directy caried so

x = 18/5

y = 18/5(11)

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