The correct answer is A. x=22
Since the angles of a rectangle are right angles (90 degrees) you would set it up as 90=5x-20. Then combine like terms and solve the equation. (If you need me to show you how step by step tell me)
Answer:
4<x<6
Step-by-step explanation:
4 is smaller than x
and x is samller than 6
so its 5
Answer:
-1,7
0,-3
1,-7
5,47
Step-by-step explanation:
-x-=+
This follows from the half-angle identity for cosine.
