Solve.The pressure of a gas varies jointly as the quantity of the gas (measured in moles) and the temperature and inversely as the volume of the gas. Suppose that the pressure of a particular gas is 
when the quantity is 
the temperature is 
and the volume is 
Find the pressure of that gas when the number of moles is 2, the temperature
is 
and the volume is 
A. 1092 kiloPascals
B. 1131 kiloPascals
C. 2262 kiloPascals
D. 2340 kiloPascals
Answer: C
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Solve the problem using your calculator.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs. Use a graphing calculator to model the data with a linear function that predicts a student's current GPA as a function of his or her entering GPA. Entering GPA Current GPA 3.5 3.6 3.8 3.7 3.6 3.9 3.6 3.6 3.5 3.9 3.9 3.8 4.0 3.7 3.9 3.9 3.5 3.8 3.7 4.0
A. y = 2.51 + 0.329x B. y = 3.67 + 0.0313x C. y = 4.91 + 0.0212x D. y = 5.81 + 0.497x
Find the final amount (rounded to the nearest dollar) in this retirement account, in which the rate of return on the account and the regular contribution change over time.$3500 per quarter invested at 8.6%, compounded quarterly, for 20 years; then $3000 per quarter invested at 5.8%, compounded quarterly, for 15 years.
A. About $2,015,219 B. About $1,815,196 C. About $2,608,263 D. About $1,013,768
Determine if the given ordered pair is a solution to the equation.2x - 4y = 20, (4, 3)
A. Yes B. No
Graph on a number line.x < 0
A. 
B. 
C. 
D. 