Answer:
41
Step-by-step explanation:
5x + X/3 = 38.4
or, 5x* 3 + X = 38.4*3
or,. 15x + X. = 115.2
or,. 16 X. = 115.2
or,. X. = 115.2/16
X = 7.2
<u>right triangle.</u>
∠1 = 180 - 90 - 40
∠1 = 50°
Answer: add 1 to both sides
-1+r+1≥4+1
simplify
x≥5