The equation D = 
n(n - 3) gives the number of diagonals D for a polygon with n sides. Use this equation to solve the problem.Find the number of sides n for a polygon that has 5 diagonals.
A. 2 sides
B. 6 sides
C. 5 sides
D. 3 sides
Answer: C
Mathematics
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Provide an appropriate response.Simplify: 
A. 
B. 
C. 
D. 
Mathematics
Assume x and y are functions of t. Evaluate dy/dt.xy + x = 12; 
= -3, x = 2, y = 5
A. 9 B. 3 C. -9 D. -3
Mathematics
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of the squares of two numbers is 10. The difference of the two numbers is 2. Find the two numbers.
A. 1 and 3; -3 and -1 B. -3 and -1 C. -1 and 3; -3 and 1 D. 1 and 3
Mathematics
Determine whether the equation defines y as a function of x.x = y2 + 4
A. Yes B. No
Mathematics