Solve the problem.A rectangular swimming pool is being constructed, 18 feet long and 100 feet wide. The depth of the pool is measured at 3-foot intervals across the width of the pool. Estimate the volume of water in the pool using the Trapezoidal Rule.

A. 12,300 ft3
B. 10,500 ft3
C. 9300 ft3
D. 7000 ft3

Answer: B

Mathematics

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Solve the problem.The van der Waals equation provides an approximate model for the behavior of real gases. The equation is P(V, T) =  - , where P is pressure, V is volume, T is Kelvin temperature, and a,b , and R are constants. Find the partial derivative of the function with respect to each of the independent variables.

A. PV =  - ; PT = 
B. PV = ; PT =  - 
C. PV = -  + ; PT = 
D. PV =  - ; PT = 

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Mathematics

Find the area.

A. 1152 in2 B. 924 in2  C. 1224 in2  D. 1848 in2 

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Mathematics

Find V3 with respect to point A.


a. +40 V
b. -40 V
c. +30 V
d. -30 V
e. +15 V

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Mathematics

Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-  - 

A. - 1
B. - 1
C. - 
D. 1

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Mathematics