Translate the problem to a system of equations, then solve using Cramer's Rule.The perimeter of a rectangle is 24 meters. If the width is doubled and the length is tripled, the perimeter is 60 meters. Determine the original width and length.

A. width = 10 m, length = 20 m
B. width = 8 m, length = 12 m
C. width = 6 m, length = 6 m
D. width = 12 m, length = 12 m


Answer: C

Mathematics

You might also like to view...

Write as the sum and/or difference of logarithms. Express powers as factors.ln 

A. 5 ln y + 5
B.  ln  + 
C.  ln y + 
D.

Mathematics

Graph the feasible region for the system of inequalities.6y - x ? 8-y + 3x ? 6x ? 0

A.

B.

C.

D.

Mathematics

Tell which real number corresponds to the situation.A football team lost 20 yards on one play.

A. -20 B. 20

Mathematics

Write the equation of the axis of symmetry.y = -2x2 + 16x - 29

A. x = 3 B. x = 4 C. x = -3 D. x = -4

Mathematics