Establish the identity.sin 4u = 2 sin 2u cos 2u
What will be an ideal response?
sin 4u = sin (2u + 2u) = 2 sin 2u cos 2u.
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Use fractal geometry to determine the answer.Consider a square with edges of length seven. Suppose that four of these squares are placed edge to edge to form a new larger square. What is the length of each edge of the new larger square?
A. 20 B. 49 C. 14 D. 2
Write the augmented matrix for the system. Do not solve the system. 7x + 4y = 39 5x + 3y = 29
A. 
B. 
C. 
D. 
Find the interest rate needed for an investment of $4,000 to grow to an amount of $8,500 in 3 year(s) if interest is compounded monthly. Round your answer to two decimal places. ?
A. 25.52% B. 25.39% C. 25.13% D. 25.93%
The total numbers of Navy personnel N (in thousands) and Marines personnel M (in thousands) from 2000 through 2007 can be approximated by the models
?
and 
?
where t represents the year, with t = 0 corresponding to 2000.
?
Find and interpret 
.
?
A. 
, which represents the total number of Navy and Marines personnel combined.
B. 
, which represents the total number of Navy and Marines personnel combined.
C. 
, which represents the total number of Navy and Marines personnel combined.
D. 
, which represents the total number of Navy and Marines personnel combined.
E. 
, which represents the total number of Navy and Marines personnel combined.