Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Let v=7j and let u be a vector with length 5 that starts at the origin and rotates in the xy - plane. Find the maximum value of the length of the vector |u x v|.
What will be an ideal response?
Mathematics
Solve the problem.Find the exponential function that models the data in the table below. Round the coefficients to the nearest hundredth.
A. f(x) = 3.33(1.20)x
B. f(x) = 
+ 4.45
C. f(x) = 3.11(1.26)x
D. f(x) = 
Mathematics
Write the improper fraction as a mixed number.
A. 3
B. 4
C. 2
D. 3
Mathematics
Find the sum Sn of the first n terms of the geometric sequence. 
, 
, 
, 
, 
, . . . ; n = 11
A. 
B. 
C. 22145
D. 
Mathematics