Find the product.-0.05(0.9)
A. 4.5
B. -0.045
C. 0.45
D. -0.0045
Answer: B
Mathematics
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Find the indicated vector.Let u = 
. Find -9u.
A. 
B. 
C. 
D. 
Mathematics
Find the median. If necessary, round to one decimal place.During an experiment, the following lengths (in feet) were recorded: 10, 7, 29, 19, 45, 43, 38.
A. 27.8 ft B. 38 ft C. 19 ft D. 29 ft
Mathematics
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
. Find R(x).
A. R(x) = 39x - 0.6x2 B. R(x) = 40x + 0.3x2 C. R(x) = 40x - 0.3x2 D. R(x) = 42x - 0.3x2
Mathematics
Express the phrase as a ratio in lowest terms.68 ft to 16 ft
A. 
B. 
C. 
D. 
Mathematics