Find the partial sum of the given sequence.S? of the sequence 2, - 
, 
, . . .
A. 
B. 2
C. 
D. - 
Answer: A
Mathematics
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Tell which set or sets the number belongs to: natural, whole, integer, rational, irrational, real.36
A. real B. real, rational, whole C. real, rational, integer, whole, natural D. real, rational, integer
Mathematics
Convert the given polar coordinates of the point to rectangular coordinates.(-5, 0°)
A. (0, -5) B. (5, 0) C. (0, 5) D. (-5, 0)
Mathematics
Write the decimal point in the correct location. 
A. 319 B. 3190.0 C. 3.19 D. 31.90
Mathematics
Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
a = 2.1 cm, b = 1.3 cm
A. A = 53.7°, B = 36.3°, c = 2.5 cm B. A = 31.8°, B = 58.2°, c = 2.5 cm C. A = 38.2°, B = 51.8°, c = 3.4 cm D. A = 58.2°, B = 31.8°, c = 2.5 cm
Mathematics