Determine the solution to the following system of equations: 2x+4y=-12 x+2y=-2

undefined/no solution

Step-by-step explanation:

you use elimination to solve. So multiply 2x+4y=-12 by 1 and x+2y=-2 by 2. then you subtract 2x+4y=-12 by 2x+4y=-4 and get 0y=-8. Anything divided by 0 is undefined/no solution because you can't divide anything by 0.

The answer is no solution.

Step-by-step explanation:

First you want to isolate x.

  x=-2(y+3)

Then you substitute.

  [-2(y+3)+2y=-2]

Then you refine.

  -4=0

As you can see -4 isn't equal to 0, therefore this system is false. Which is where we get the answer no solution.  

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

answer

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step-by-step explanation: