Answer:
64.3738
Step-by-step explanation:
Answer:
answer to the question is A
Imagine a right triangle where a and b are the legs and c is the hypothenuse.
Pitagora: a²+b²=c²
Divide by c
(a/c)²+(b/c)²=1
But a/c=sin(B) and b/c=cos(B)
Thus sin² + cos² = 1
Answer:
214.58(meters/minute)
Step-by-step explanation:
v = [250/2 + 1000/4 + 350/1 +400/3]/4=214.58(meters/minute)