28 km
We calculate the circumstance by multiplying the diameter by Pi. Therefore to get the diameter we need to devide the circumstance by Pi
C. The way the sample was chosen may overrepresent or underrepresent students taking certain language classes.
The samples he chose may not be a representative sample because the number of students per foreign language class may not be the same. Since classes have different numbers of students, one may have a very large number of students while another may have only a few. Taking equal number of students per class is not a representative sample because it doesn't represent the students correctly.
Answer:
(9-3)+18÷8
=6+ 9/4
Step-by-step explanation:
.............
g = -3,5
8 - |2g - 5| = 8 - |2 · (-3,5) - 5| =
= 8 - |-7 - 5| = 8 - |-12| = 8 - 12 = <u>-</u><u>4</u>
Wow that's a hard one. Ummm....