Express the vector as a product of its length and direction.
i - 
j - 
k
A. 
B. 
C. 1
D. 
Answer: C
Mathematics
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Find the exact value of the expression.cot 60°
A. 1
B. 
C. 
D. 
Mathematics
Solve the system of equations by substitution.x + y = -7x - y = 16
A. (7, -11.5) B. (4.5, -11.5) C. (7, 4.5) D. (4.5, 11.5)
Mathematics
Find the slope of the line containing the two points.(2, 0); (0, 5)
A. - 
B. 
C. - 
D. 
Mathematics
Solve the initial value problem.
+ 5y = 3; y(0) = 1
A. y = 
e5t + 
B. y = 
e5t + 
C. y = 
e-5t + 
D. y = 
e-5t + 
Mathematics