Solve.The number of miles per gallon of gasoline that a car averages varies inversely as the average speed the car travels. A car gets 30 miles per gallon at 50 mph. How many miles per gallon will it get at 38 mph?
A. 39.5 miles per gallon
B. 22.8 miles per gallon
C. 0.04 miles per gallon
D. 0.03 miles per gallon
Answer: A
Mathematics
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A. -36y - 24 B. 5y + 2 C. -13y - 10 D. -60y
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Evaluate the expression using the given values.-8xy + 9y - 4
x = 5, y = -3
A. 89 B. 97 C. -151 D. 93
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
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Express in standard notation.6.0522 × 10-7
A. 0.000000060522 B. -605,520,000 C. 0.00000060522 D. 0.0000060522
Mathematics