Use the theorem that relates the sum of degrees to the number of edges to determine the number of edges in the graph.A graph with 4 vertices each of degree 2.
A. 8 edges
B. 16 edges
C. 6 edges
D. 4 edges
Answer: D
Mathematics
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For the following triangle, calculate the indicated trigonometric ratio of the given angle. Do not use the trigonometric function keys on your calculator. (Round to the nearest hundredth.)
A. -0.86 B. 2.36 C. 0.39 D. 0.92
Mathematics
Expand the number to its natural form.4.07 × 10-4
A. 0.0000407 B. 0.00407 C. 0.0407 D. 0.000407
Mathematics
Use the identities for the cosine of a sum or a difference to write the expression as a single function of ?.cos (? + 270°)
A. cos ? B. -sin ? C. -cos ? D. sin ?
Mathematics
Verify the identity.cos 
= -sin x
What will be an ideal response?
Mathematics