Provide an appropriate response.The volume of oxygen varies inversely with the pressure. If a container of oxygen has a volume of 300 cm3 under a pressure of 10 kg per square centimeter, what is the volume if the pressure is changed to 25 kg per square centimeter? Use a constant of variation to solve.
A. 300 cm3
B. 120
C. 120 cm3
D. 12 cm3
Answer: C
Mathematics
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Perform the indicated operation.9 tons 506 lb - 4 tons 871 lb
A. 5 tons 1635 lb B. 5 tons 365 lb C. 4 tons 1635 lb D. 13 tons 1377 lb
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Solve the problem.The equation of a line passing through two distinct points (x1, y1) and (x2, y2) is given by 
. Use the determinant to write an equation for the line passing through 
and 
. Express the line's equation in standard form.
A. 9x - 8y - 18 = 0 B. 3x - 6y - 72 = 0 C. 6x - 2y + 54 = 0 D. -6x + 2y + 54 = 0
Mathematics
Solve the equation.(ex)x ? e30 = e11x
A. {5, 6} B. {5} C. {-5, -6} D. {6}
Mathematics
Solve.How many different three-digit numbers can be written using digits from the set {3, 4, 5, 6, 7} without any repeating digits?
A. 60 B. 10 C. 20 D. 120
Mathematics