Answer:
+
i
Step-by-step explanation:
Using the exact value
cos60° =
and sin60° =
, then
3(cos60° + isin60°)
= 3(
+
i) ← distribute by 3
=
+
i ← in the form a + bi
Answer: I believe the answer is 3.07 but I may be wrong so if you want you can wait for another answer :D
Step-by-step explanation:
Answer:
Option D, 
Step-by-step explanation:
<u>Step 1: Multiply</u>
<u />




Answer: Option D, 
Answer:
9 miles per hour
Step-by-step explanation:
No, John is incorrect.
<h3>
Correct work shown:</h3>








The correct answer should be x = 7 or x = -1