Perform the indicated operation by changing to scientific notation first. Express the solution in decimal notation.
A. -400,000,000,000,000
B. -4,000,000,000,000,000
C. -40,000,000,000,000
D. -400,000,000,000
Answer: A
Mathematics
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Solve the problem.For what values of t is r(t) = cos ti + sin tj + 
k continuous?
A. {t ? ?: -5 < t < 5} B. {t ? ?: t ? 5} C. {t ? ?: -5 ? t} D. {t ? ?: -5 ? t ? 5}
Mathematics
Write a system of equations associated with the augmented matrix. Do not try to solve.
= 
A. 2x + y = -3 x + 2y = 2 -5x - 5y = 2 B. 2x + y + z = -3 x - 5y = 2 C. 2x = -3 x + y = 2 -5x - 5y = 2
Mathematics
Determine whether the basic feasible solution corresponding to the given tableau is optimal. x1 x2 x3 x4 M
A. Not optimal B. Optimal
Mathematics
Find the indicated vector.Let u = 
, v = 
. Find u + v.
A. 
B. 
C. 
D. 
Mathematics