The general term of a sequence is given. Find the indicated partial sum.an = 5n - 2;  S5

A. 55
B. 65
C. 85
D. 100


Answer: B

Mathematics

You might also like to view...

Solve the system by graphing. Check the coordinates of the intersection point in both equations.y = -x - 52y - 5x = 4

A. {(0, -5)} B. {(-1, -1)} C. {(0, 2)} D. {(-2, -3)}

Mathematics

Find the conjugate of the complex number. Then multiply the complex number by its conjugate.-8 - 6i

A. -14; 100 B. -8 + 6i; 100 C. -2; 100 D. -8 - 6i; 100

Mathematics

Determine whether the pair of triangles is congruent by the SAS property.

A. Yes B. No

Mathematics

Use the standard normal curve table to find the z-score for the given condition.74.86% of the total area is to the left of z.

A. 0.68 B. -0.67 C. 0.67 D. 0.66

Mathematics