Find the net cost. Round to the nearest cent.$1,425 less 10/40/20
A. $356.25
B. $1,355.00
C. $427.50
D. $615.60
Answer: D
Mathematics
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Perform the indicated operations.(10x2 - xy - y2) + (x2 + 9xy + 5y2)
A. 11x2 + 8xy + 4y2 B. 11x2 + 10xy + 6y2 C. 9x2 - 10xy - 6y2 D. 10x2 + 9xy + 5y2
Mathematics
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.Anne and Nancy use a metal alloy that is 14.2% copper to make jewelry. How many ounces of a 10% alloy must be mixed with a 17% alloy to form 85 ounces of the desired alloy?
A. 56 oz B. 51 oz C. 36 oz D. 34 oz
Mathematics
Graph the parabola described.Focus at (2, 0); Directrix the line x = -2
A. 
B. 
C. 
D. 
Mathematics
Simplify.-|13.3|
A. 13.3
B. 0
C. -13.3
D. - 
Mathematics