Solve the following problem using the simplex method.A city has $600,000 to purchase cars. Two models, the B250 and X100, are under consideration, costing $8000 and $10,000, respectively. The estimated annual maintenance cost on the B250 is $600 and on the X100, $500. The city will allocate $40,000 for the total maintenance of these cars. The B250 gives 26 miles per gallon and the X100 gives 24 miles per gallon. The city wants to maximize "the gasoline efficiency number" of this group of cars. For x B250's and y X100's, this number would be 
. How many of each model should be purchased?
What will be an ideal response?
Maximum efficiency is 1780 when 50 B250's and 20 X100's are purchased.
Mathematics
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Provide an appropriate response.Explain the error in the following: log43y = log43 ? log4y.
What will be an ideal response?
Mathematics
Use the empirical probability formula to solve the exercise.Three coins are tossed 80 times and the number of heads is observed.
What is the probability that at most two heads occur?
A. 
B. 
C. 
D. 
Mathematics
Write sigma notation.0 + 2 + 6 + 12 + 20
A. 
B. 
C. 
D. 
Mathematics
Express the number in scientific notation.0.0000061819
A. 6.1819 × 106 B. 6.1819 × 10-7 C. 6.1819 × 10-5 D. 6.1819 × 10-6
Mathematics