Rocky earned $102 and eight hours. What is the unit rate?
2 answers:
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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:
Step-by-step explanation:
When solving for 1 variable, set the other to 0 and solve.