Write the linear system as a matrix equation in the form AX = B, where A is the coefficient matrix and B is the constant matrix. 5x + 2y + 2z = 32 4x + 2y - 2z = 32 8x + 2y + 8z = 38
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 0 B. 1 C. 8 D. Diverges
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = csc(cot x)
A. y = csc u; u = cot x; 
= csc(cot x) cot(cot x) csc2 x
B. y = csc u; u = cot x; 
= csc3 x cot x
C. y = cot u; u = csc x; 
= csc2(csc x) csc x cot x
D. y = csc u; u = cot x; 
= - csc(cot x) cot(cot x)
Solve. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.Write the equivalent decimal and percent for 1
.
A. 1.342; 134.2% B. 1.222; 12.22% C. 1.342; 1342% D. 1.222; 122.2%
A path that is 5 ft wide is built around a rectangular garden. The garden is 29 ft long and 14 ft wide. What is the area of the path?
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a. 530 ft ft²
b. 646 ft²
c. 106 ft²
d. 401 ft²
e. 86 ft²