Find the indicated quantity of the arithmetic sequence.a1 = 7, an = -89, d = -4; find n
A. 24
B. 26
C. 21
D. 25
Answer: D
Mathematics
You might also like to view...
Solve the problem.In 1980, the population of a city was 5.8 million. By 1992 the population had grown to 7.6 million. Find the average rate of change in the population.
A. 
million per year
B. 
million per year
C. 
million per year
D. 
million per year
Mathematics
Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by y = 
, on the right by the line 
, and above by the line y = 2
A. 54? B. 18? C. 36? D. 12?
Mathematics
Find the area of the triangle. Approximate values to the nearest tenth when appropriate.base = 26.5 cm, height = 20 cm
A. 265 cm2 B. 250 cm2 C. 200 cm2 D. 530 cm2
Mathematics
Evaluate the expression. Write answer without exponents.20
A. -1 B. 0 C. 2 D. 1
Mathematics