Solve the problem by using three variables.Michael's bank contains only nickels, dimes, and quarters. There are 48 coins in all, valued at $4.10. The number of nickels is 4 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 6
B. 7
C. 35
D. 11
Answer: A
Mathematics
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What will be an ideal response?
Mathematics
Solve the problem.Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. A vending machine will only accept coins weighing between 5.47 g and 5.77 g. What percentage of legal quarters will be rejected?
A. 2.48% B. 0.0196% C. 3.95% D. 1.62%
Mathematics
Solve the equation.log (5x) = log 4 + log (x - 3)
A. {12}
B. 
C. {- 12}
D. 
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Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.
+ 
A. 
B. 
C. 
+ 
D. 
Mathematics