Solve the problem.The number of vertices in a tree with 49 edges is
A. 50.
B. 249.
C. 49.
D. 48.
E. none of these
Answer: A
Mathematics
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Which of the following expresses the correct unit rate in miles per hour? ?
A.
?
B.
?
C.
?
D.
?
E.
?
Mathematics
Solve the triangle.a = 8, c = 7, B = 90°
A. b = 10.63, A = 41.2°, C = 48.8° B. b = 9.63, A = 41.2°, C = 48.8° C. b = 10.63, A = 48.8°, C = 41.2° D. b = 11.63, A = 48.8°, C = 41.2°
Mathematics
Name the angle in five different ways.
A. Angle EFG, ?EFG, angle E, ?E, or ?GFE B. Angle GFE, ?F, angle EFG, ?EFG, or ?GFE C. Angle GFE, ?GFE, angle EGF, ?EGF, or ?G D. Angle F, angle EFG, angle GEF, ?EFG, or ?F
Mathematics
Write the percent as a decimal.9%
A. 0.09 B. 90.0 C. 0.9 D. 9
Mathematics