Step-by-step explanation:
(3X-20)+(3X+5)=111(( SINCE 111 IS TOTAL ANGLE
6X-15=111
6X=126
X=21
EFG=3×21-20
=63-20=43
60i
if you go to mode on your calculator then Chang it from "real" to "a+bi" you can solve for unreal numbers. if you press "2nd" then "." it makes an "i"
Answer:
20 nickels
23 dimes
Step-by-step explanation:
hope this helps!
Are you sure about your solves??
I think correct answer is 6,
I don't know but the standard way is in the photo: