Solve the problem by using a nonlinear system.Find the dimensions of a rectangular enclosure with perimeter 56 yd and area 187 yd2.
A. 12 yd by 17 yd
B. 12 yd by 16 yd
C. 11 yd by 16 yd
D. 11 yd by 17 yd
Answer: D
Mathematics
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Perform the indicated conversion between American and metric units of length.19 kilometers to miles (Round to the nearest tenth.)
A. 20.1 B. 18.0 C. 30.6 D. 11.8
Mathematics
Evaluate the expression.cot 450°
A. Undefined
B. 1
C. 0
D. 
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. - 2a2b 
B. 2ab 
C. 2 
D. 2ab 
Mathematics
Find the real solutions of the equation.
- 
= 0
A. {-3, 1} B. {3} C. {3, -1} D. no real solution
Mathematics