The quantity a varies directly with b and c and inversely with d. the quantity d is tripled. which of the following must be true for the relationship to remain the same? both c and b must be tripled. the product of c and b must be tripled. both c and b must be multiplied by 1/3. the product of c and b must be multiplied by 1/3.

The product of c and b could be tripled.

Step-by-step explanation:

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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

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step-by-step explanation: