Write the first five terms of the arithmetic sequence.a1 = - , d = - 

A. - , - 
B. - , - 1, , 2, 
C. - , - 4, - , - 7, - 
D. - , - 2, - , - , - 


Answer: C

Mathematics

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Solve the problem.Find the center of mass of the lamina in the first quadrant bounded by the coordinate axes and the curve  if .

A.  =  = 
B.  =  = 
C.  =  = 
D.  =  = 

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Convert 3 feet to centimeters. Round to the nearest hundredth. 

A. 300.00 cm B. 984.24 cm C. 91.44 cm D. 9.84 cm E. 914.40 cm

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Find the future value of the given annuity. Round to the nearest cent.$1900 is invested semiannually for 5 years at 4% compounded semiannually

A. $78,706.70 B. $45,623.21 C. $20,804.47 D. $68,304.47

Mathematics

Solve the problem.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 35 miles per hour in 50 minutes, how fast must it travel to cover the same distance in 25 minutes?

A.  miles per hour
B.  miles per hour
C.  miles per hour
D. 70 miles per hour

Mathematics