Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the first 40 terms of the arithmetic sequence {4n - 6}.
A. 3320
B. 3040
C. 2960
D. 3180
Answer: B
Mathematics
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Find the limit.
A. - 2 B. 2 C. 10 D. No limit
Mathematics
Provide an appropriate response.Solve the matrix equation 
= 
by using the inverse of the coefficient matrix. Also, solve the system if the constants 25 and -11 are replaced by 1 and 3, respectively.
What will be an ideal response?
Mathematics
Simplify.i4
A. -i B. -1 C. i D. 1
Mathematics
Find the quotient and check.12.8 ÷ 16
A. 0.8 B. 18 C. 8 D. 1.8
Mathematics