Find the nth, or general, term.49, 7, 1, . . .
A. 7n-1
B. 7(n - 1)
C. 73-n
D. 7n
Answer: C
Mathematics
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Find the series' radius of convergence.
A. 2 B. 0 C. ?, for all x D. 1
Mathematics
Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m B. 18.1 m C. 19.6 m D. 64.6 m
Mathematics
Evaluate 
, 
, and - 
for the given values.a = 20 , and b = 2
A. -10; -10; 10 B. -10; -10; -10 C. -20; 10; 20 D. 10; 10; 10
Mathematics
Find the perimeter or area of the figure as indicated.Find the perimeter of the trapezoid.
A. 41y m B. 250y m C. 31y m D. 76y m
Mathematics