Answer:
Commutative property w.r.t '+'
Step-by-step explanation:
3+2 =3+2
As both side contain two variable and both are adding and their answer is also same.
5=5
so this is commutative property with respect to addition.
The 2 angles are complemantary or form right angles so

so

. Plugging that into BDC we get 11
Answer:
if your solving for n.....
Step-by-step explanation:
n=3
Answer:
10%
Step-by-step explanation:
Using the given formula with the given data, we have ...
efficiency = output work / input work
= (10 J)/(100 J) = 0.10 = 10%