Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the first four terms of the arithmetic sequence 2, 10, 18, . . .
A. 30
B. 40
C. 112
D. 56
Answer: D
Mathematics
You might also like to view...
Apply Green's Theorem to evaluate the integral.
(8y + x) dx + (y + 4x) dyC: The circle (x - 1)2 + (y - 3)2 = 4
A. -16 B. -16? C. 16? D. -60
Mathematics
Determine the value of the indicated function in the given manner.Find cos 90° by using the functions of 45°.
A. 0 B. 1 C. - 1 D. undefined
Mathematics
Subtract. Write the answer in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
If the sequence is geometric, find the common ratio r. If the sequence is not geometric, say so.3, 
, 
, 
, 
, . . .
A. 4
B. 10
C. 
D. 
Mathematics