Water displacement. You fill a graduated cylinder with an amount of water, place the object inside the graduated cylinder, and then measure the new water level. The change in volume of the water is the volume of the object, that is, if the object was completely submerged.
Isn’t this 12/4 of a mile of thread every hour? If the factory produces 3/4 of a mile of thread every 1/4 of an hour, then all you need to do is 3/4 x 4. 1/4 is like .25 so to make a whole number, you have to do .25 x4 which makes the whole. I don’t know if my explanation is correct or not but I do believe my answer is. (12/4 is 3)
Answer:
1/7
Step-by-step explanation:
you divide both numbers by 4
The quadratic has one root with multiplicity 2 if the discriminant is 0, which is
(That is, for a quadratic 
, the discriminant is 
.)
Set the discriminant equal to 0 and solve for 
:
