Given matrix A, find the indicated cofactor.Find A13.A =
A. -4
B. -1
C. -5
D. 5
Answer: D
You might also like to view...
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB =
Tuition for Student 1 is $1210, tuition for Student 2 is $1180, and tuition for Student 3 is $1018.
B.
AB = 
Tuition for Student 1 is $1200, tuition for Student 2 is $1150, and tuition for Student 3 is $1013.
C.
AB = 
College A costs $937 and College B costs $1140.
D.
AB = 
College A costs $892 and College B costs $1026.
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.If a rocket is propelled upward from ground level, its height h in meters after t sec is given by h(t) = -9.8t2 + 68.6t. During what interval of time will the rocket be higher than 
A. The rocket will be higher than 98 m for times up to, but not including, 5 sec. B. The rocket will be higher than 98 m for times between, but not including, 2 sec and 5 sec. C. The rocket will be higher than 98 m for times up to, but not including, 2 sec. D. The rocket will be higher than 98 m for times between, but not including, 4 sec and 7 sec.
Find an equation of the line containing the given pair of points(8, -3) and (8, 1)
A. x = 8 B. 1x - 3y = 0 C. y = -3 D. -3x + 1y = 0