Solve the problem.What region in the xy-plane maximizes the value of ?R

A. The ellipse 100x2 + 49y2 = 1
B. The ellipse  +  = 1
C. The ellipse  +  = 1
D. The ellipse 49x2 + 100y2 = 4900


Answer: C

Mathematics

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Solve the application and answer with a complete sentence.Varun put $610 in a savings account that gained 10.5% interest. How much interest did the account gain after 6 years?

A. The account gained $3843.00 interest after 6 years. B. The account gained $64.05 interest after 6 years. C. The account gained $384.30 interest after 6 years. D. The account gained $640.50 interest after 6 years.

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Divide and write the answer in lowest terms.  

A.
B.
C.
D. - 

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Multiply. Express the product in lowest terms. ? 

A.  
B.  
C.
D.

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Convert the units using unit fractions.4500 lb =  tons

A. 3
B. 4 
C. 1 
D. 2 

Mathematics