Use the cos rule
cos^-1(18^2+28^2-12^2 divided by 2*18*28
Which is 16.99 degrees, which is 17 (option d)
Answer:
The graph is displayed below:
• The points are: (2, 11), (3, 6), (7, 6), and (8, 11)
• The vertex is (5, 2). ,This is because the graph opens up and the lowest point is always the vertex for this type of graphs.
Answer:
114.7
Step-by-step explanation:
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Answer:
<em><u>The answer is E</u></em>
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Answer: .
Step-by-step explanation: