Solve the problem.The width of a rectangle is 6 kilometers less than twice its length. If its area is 216 square kilometers, find the dimensions of the rectangle.

A. width = 12 km, length = 18 km
B. length = 12 km, width = 18 km
C. length = 9 km, width = 12 km
D. length = 3 km, width = 72 km


Answer: B

Mathematics

You might also like to view...

Give the coordinates of the points shown on the graph.

A. A = (7, 4), B = (6, -4) B. A = (4, 30), B = (6, -4) C. A = (7, 4), B = (-4, 6) D. A = (7, 6), B = (4, 6)

Mathematics

Provide an appropriate response.Explain how the graph of f(x) = ex could be used to graph the function g(x) = 1 + ln x.

What will be an ideal response?

Mathematics

Solve the problem.The matrix  rotates a point 45° clockwise about the origin, and the matrix  rotates a point 30° counterclockwise about the origin. Use these matrices to find the coordinates of the new location of the point   when it is rotated 15° clockwise about the origin.

A.
B.
C.
D.

Mathematics

Solve the system of linear equations using the elimination method.

A. (10, 6, -5) B. (5, 6, 2) C. (5, 2, 6) D. (-5, 6, 10)

Mathematics