Solve. Round to two decimal places unless otherwise noted.Suppose the cost per ton, C(x), to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for 400 thousand tons?
A. $119.05
B. $47,619.05
C. $31.25
D. $200,000.00
Answer: A
Mathematics
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Evaluate the integral using the given substitution.
dt, u = 2 - sin 
A. 
3sin 
+ C
B. 
3 + C
C. 5
3 + C
D. - 
3 + C
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Evaluate the geometric series or state that it diverges.1 + (-7) + (-7)2 + (-7)3 + (-7)4 + . . .
A. diverges B. 49 C. 7 D. 70
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Use Cramer's rule to determine if the system is inconsistent system or contains dependent equations. x + z = 12x - 2y = -2 y + z = 4
A. system is inconsistent B. system contains dependent equations
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Solve.Find the simple interest when: Principal = $1068, Rate = 13%, Time = 6 months.
A. $8330.40 B. $833.04 C. $69.42 D. $138.84
Mathematics