Answer:
x=15
Step-by-step explanation:
(3x-10)+(2x+25)=90
5x+15=90
5x=75
x=15
(2x+25) = 55°
(3x-10)=35°
Answer:
○ B. 4 + 4<em>i</em>√3
Step-by-step explanation:
√2(cos 10° + <em>i</em>sin 10°) = 1,392728481 + 0,2455756079<em>i</em>
[1,392728481 + 0,2455756079<em>i</em>]⁶ = 4 + 4i√3
I hope this does something to help, and as always, I am joyous to assist anyone at any time.