21 • (3k + 2m)
Step by step solution :
Step 1 :
Step 2 :
Pulling out like terms :
2.1 Pull out like factors :
9k + 6m = 3 • (3k + 2m)
Final result :
21 • (3k + 2m)
Answer:
Step-by-step explanation:
Refer to the diagram shown below.
Let x = the angle of elevation.
By definition,
tan x = 50/60 = 0.8333
x = tan⁻¹ 0.8333 = 39.8°
Answer: 40° (nearest degree)