If you can, please show step by step explanation. —7th grader

180-x = DCE

Step-by-step explanation:

BCE = 180 degrees since it is a straight line

BCE = BCD + DCE  since these are the two angles that make the line

180 = BCD + DCE

We know BCD = x

180 = x + DCE

Subtract x from each side

180-x = DCE

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

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