It's -16 just use the app socratic
Answer:
A sample, or p hat, is representative when the sample closely remebles the population, which are the students in this case. The third and first answer choice would be correct.
Picking lunch period one is wrong because that would overrepresent the students in the first lunch period. Same applies to the first 30 students.
Pick
Answer:
The wax will fill the mold a bit more than halfway.
Step-by-step explanation:
The volume of a sphere with radius is:
.
The radius of this sphere of wax is ; Its volume would be:
.
Assume that the wax here does not evaporate, combust, or otherwise disappear. .
The volume of a rectangular prism is equal to .
For this mold with a rectangular prism shape:
.
Half of that would be:
.
Compare these two volumes to the volume of wax available:
.
In other words, the wax will fill the mold a bit more than halfway, but not completely.
If x=2, y=6 using the given equation y=3x
Then if x=10, y=3(10)=30
(10,30)
Hope it helped!