Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the sequence with the given first term, a1, and common difference, d.Find a11 when a1 = 21, d = -3.
A. -12
B. -30
C. -9
D. 51
Answer: C
Mathematics
You might also like to view...
Multiply the binomials.(-3x + 7)(-4x + 4)
A. -7x2 - 40x + 28 B. 12x2 - 40x + 28 C. -7x2 - 40x - 40 D. 12x2 - 40x - 40
Mathematics
Simplify the expression. If any variables are present, assume that they are positive.
? 
A. 4x
B. 4
C. x
D. 
Mathematics
Establish the identity.
= 
What will be an ideal response?
Mathematics
The cost of a school banquet is $80 plus $19 for each person attending. Identify the linear function that models this problem. What is the cost for 65 people?
 figure 1.png)
Mathematics