Answer:
The minimum number of faces a polyhedron can have is 4 faces.
Step-by-step explanation:
We know that a polyhedron is a shape surrounded by polygons. We also know that we need at least 3 sides to make a polygon. So, at the minimum a polyhedron can be made by using only triangular faces but in order to make a closed figure we need at least four triangular faces (which is a tetrahedron).
Answer:
the correct answer is "B".
Step-by-step explanation:
I'm assuming you're being asked to solve for the variable in each of the given problems.
For question 12: y=1 1/8 (mixed number)
For question 16: n=-1 2/9
This sort of tricky fraction division is best done using a calculator. You'll save yourself a lot of time.
The easy way is just to divide by 3
15% /3 = 5%
Since you have divided the % by 3 you can divide the 375 by 3
375 / 3 = 125
Answer 125
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