Answer:
x=28
Step-by-step explanation:
The molar mass of dinitrogen monoxide?
Is=N2O=(14×2)+16
=44g/mol
Answer:
Q1:9
Step-by-step explanation:
Since the area of a triangle is basexheight divided by 2, than (12 x __)/2 = 54
Answer:
Step-by-step explanation:
let cos^{-1}x=t
cos t=x
when x=1,cos t=1=cos 0
t \rightarrow 0
