Solve using a quadratic equation.The width of a rectangle is 6 miles less than twice its length. If its area is 80 square miles, find the dimensions of the rectangle.
A. length = 5 mi;
width = 4 mi
B. length = 3 mi;
width = 
mi
C. length = 10 mi;
width = 8 mi
D. length = 8 mi;
width = 10 mi
Answer: D
Mathematics
You might also like to view...
Determine the symmetries of the curve.r2 = 7 cos 5?
A. x-axis, y-axis, origin B. y-axis only C. Origin only D. x-axis only
Mathematics
Calculate the circulation of the field F around the closed curve C.F = y3i + x2j; curve C is the counterclockwise path around the triangle with vertices at 
, and 
A. 0
B. - 
C. 
D. 
Mathematics
Provide an appropriate response.Explain why f(x) = 2x is an exponential function but f(x) = x2 is not.
What will be an ideal response?
Mathematics
Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Mathematics