Answer:
Step-by-step explanation:
You don't need the Law of Cosines, the Law of sines if what you need. You can't use the Law of Cosines because in order to find side a, you would need the length of side c and you don't have it. Using the Law of Sines is appropriate, knowing that angle B = 55:
and solving for a:
so
a = 143.0
Answer:
.75
Step-by-step explanation:
75%
because it will give 100
3 is only a Real number because Real Numbers are made like 1,2,3... like counting meanwhile the other two, complex numbers are a real number +b(i) and imaginary numbers are anything with i. Hope this helps!
40mph average there totaling 3 hours, 60mph back, totaling 2 hours. 5 hours total.
Answer:
perethasis
Step-by-step explanation:
pemdas
parentheses , exponits , multiply/ divide, add /subtract