Identify which of three conceptual models of division (repeated subtraction, partition, missing-factor) best corresponds to the problem.A wealthy patron dies and leaves her entire estate of 12 million dollars to 4 charities. If each charity receives the same amount, how much does each receive?
A. Repeated subtraction
B. Partition
C. Missing-factor
Answer: B
Mathematics
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Rewrite the fraction as a decimal number.
A. 0.813 B. 0.8125 C. 0.8225 D. 0.7125
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If a cylindrical tank holds 10000 gallons of water, which can be drained from the bottom of the tank in an hour, then Torricelli's Law gives the volume of water remaining in the tank after t minutes as 
Find the rate at which the water is flowing out of the tank (the instantaneous rate of change of V with respect to t) as a function of t.
What will be an ideal response?
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
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Rewrite the linear programming problem as a maximization problem with constraints involving inequalities of the form
Mathematics