Find the cofactor of the indicated element of the matrix shown.a13;

A. 23
B. 14
C. -13
D. 13

Answer: D

Mathematics

You might also like to view...

Find the measure of the indicated angle.Two angles of a triangle are 43° and 106°. Find the third angle.

A. 31° B. 149° C. 59° D. 211°

View
Mathematics

Find the value. 

A. 61.249 B. 6.230 C. 5.417 D. 4.580

View
Mathematics

Solve the problem.Acme Electronics is a company which makes computer chips. The following table gives the revenue, y, in dollars for this company during the three stated years, x. In this table x = 0 corresponds to 1980, while  corresponds to 1986.This set of data can be modeled by f(x) = ax2 + bx + c, where x represents the year. Find a linear system for which the solution represents the values of a, b, and c. Use technology to solve this system. Then, using the quadratic equation, predict the revenue for the year 

src="https://sciemce.com/media/4/ppg__fdf0520191830__f1q41g3.jpg" alt="" style="vertical-align: -4.0px;" /> Round your answer to the nearest hundred dollars.. A. $1,562,400 B. $1,561,300 C. $1,560,900 D. $1,561,900

View
Mathematics

Solve the minimization problem by using the simplex method to solve the dual problem.Minimize   16x1 + 20x2 + 36x3subject to   x1  + 3x3 ? 3   2x2  + 6x3 ? 4       x1  + x2 ? 2and x1 ? 0, x2 ? 0, x3 ? 0

A. Minimum =  when x1 = 2, x2 =  , and x3 =  
B. Minimum =  when x1 = 2, x2 =  , and x3 =  
C. Minimum = 52 when x1 =  , x2 =  , and x3 =  
D. Minimum = 60 when x1 = 1, x2 = 1, and x3 =  

View
Mathematics