Answer:
it's can't be factorise because there is nothing common in them simply.
Answer:
x = 466.7 ft
Step-by-step explanation:
The lower angle in the right triangle = 31° ( alternate angle )
Using the cosine ratio in the right triangle, with hypotenuse x
cos31° =
= 
Multiply both sides by x
x × cos31° = 400 ( divide both sides by cos31° )
x =
≈ 466.7
I hope this helps you
2.5. (k+1)=94-4
10. (k+1)=90
k+1=9
k=8
Answer:
5,680.44
Step-by-step explanation: