Step-by-step explanation:
(n-2)×180=3420
180n-360=3420
180n=3420+360
180n=3780
n=3780/180
n=21
that is, the number of sides is 21
to get the size of each exterior angle=
360/21
=17.14°
Answer:196 children 140 adults
X=0
f(0)=2/3×0+6
=0+6
=6
Answer:0.60$
15=9$
1=0.60$
Answer:
We can calculate probability by looking at the outcomes of an experiment or by reasoning about the possible outcomes.
