Find the value of the variable that satisfies the equation.5x + 1 = -8 - 3x

A. x = -  
B. x = - 
C. x =  
D. x = -  


Answer: A

Mathematics

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Solve the problem.Jack borrowed $340 from his brother. Jack's brother wants 6 monthly payments of  to repay the loan. How much extra is Jack's brother charging for the loan?

A. $200 B. $540 C. $110 D. $640

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Provide an appropriate response.Consider the following counting problem. How many different sequences of 3 letters can be formed using the letters  if repetition is allowed? To solve this problem which of the following rules would you use?

A. Both the permutations rule and the fundamental counting principle B. The fundamental counting principle only C. The combinations rule only D. The permutations rule only

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Solve the problem.A water tank is formed by revolving the curve y = 6x4 about the y-axis. Water drains from the tank through a small hole in the bottom of the tank. At what constant rate does the water level, y, fall? (Use Torricelli's Law: dV/dt = -m.)

A.  = 
B.  = 
C.  = 
D.  = 

Mathematics

Solve the problem.A method of sampling in which the population is broken up into categories and the members of the sample are chosen randomly from within some group of randomly selected categories is called

A. quota sampling. B. randomized controlled sampling. C. simple random sampling. D. stratified sampling. E. none of these

Mathematics