Solve the problem.The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 
(kiloPascals) when the number of moles is 6, the temperature is 
, and the volume is 
, find the pressure when the number of moles is 3, the temperature is 
,
and the volume is 
.
A. 660
B. 1584
C. 1452
D. 726
Answer: C
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Find f when T = 9.8 msec.
a. 102 Hz b. 980 Hz c. 1.02 KHz d. 9.80 KHz e. 102 KHz
Mathematics
Solve.If a tree 17.5 feet tall casts a shadow that is 7 feet long, find the height of a tree casting a shadow that is 19 feet long. Round to the nearest tenth of a foot, if necessary.
A. 6.4 ft B. 47.5 ft C. 7.6 ft D. 29.5 ft
Mathematics
Find the sum.40.71 + 3.86 + 8.102 + 6.85
A. 59.532 B. 59.522 C. 59.622 D. 60.522
Mathematics