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Are these examples of direct variation? Please explain

sorry I can't help u

Step-by-step explanation:

Mam siti baked 270 muffins and put them in boxes of She sold each box at & 8 each. If she sold all these boxes . how much the did she make. how much money

mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other. 

8 - direct variation Since the equation can be written in the form y=kx. , y varies directly with x and k. The constant of variation, k, is 3.25

9 - When solving for y, y=5x-9 so y doesn't vary directly with x.

y doesn't vary directly with x

10 - direct variation Since the equation can be written in the form y=kx, y varies directly with x and k. The constant of variation, k, is -2.4

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

76%

step-by-step explanation:

24% are dogs and the remaining is 76% because 100-24=76