Solve the problem.A collection of dimes is arranged in a triangular array, with 16 coins in the base row, 15 in the next, 14 in the next, and so forth. Find the value of the collection.
A. $27.20
B. $13.60
C. $6.80
D. $1.36
Answer: B
Mathematics
You might also like to view...
Find the value for the function.Find f(-3) when f(x) = x2 - 3x - 7.
A. 7 B. -7 C. 11 D. 25
Mathematics
Multiply.(x2 + 4x + 4)(2x2 + 2x + 2)
A. 2x4 + 10x3 + 18x2 + 16x + 8 B. 2x4 + 8x3 + 18x2 + 16x + 8 C. 2x4 + 8x3 + 16x2 + 16x + 8 D. 2x4 + 10x3 + 16x2 + 16x + 8
Mathematics
Find the common ratio r for the given infinite geometric sequence.3, 9, 27, 81, 243, ...
A. 9
B. 
C. -3
D. 3
Mathematics
Without graphing, classify the function as increasing or decreasing, and determine f(0).f(x) = 7
x
A. f(0) = 7; decreasing
B. f(0) = 
; increasing
C. f(0) = 7; increasing
D. f(0) = 
; decreasing
Mathematics