Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. 
Answer: D
You might also like to view...
Use the two steps for solving a linear programming problem to solve the problem.Zach is planning to invest up to $45,000 in corporate and municipal bonds. The least he will invest in corporate bonds is $7000 and he does not want to invest more than $25,000 in corporate bonds. He also does not want to invest more than $32,387 in municipal bonds. The interest is 8.2% on corporate bonds and 6.2% on municipal bonds. This is simple interest for one year. What is the maximum income?
A. $23,290 B. $28,290 C. $5810 D. $48,290
Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
In the expression 
the number 3 is the 
, the number 45 is the 
, and 
is called the 
style="vertical-align: -10.0px;" /> sign. A. index, radicand, radical B. radicand, index, radical C. radicand, radical, index D. index, radical, radicand
Use a graphing calculator to estimate the solution of the equation to two decimal places.2.5(1.9x + 7.9) - 9.27(1.7x - 3.27) = 0
A. {2.44} B. {0.42} C. {2.36} D. {4.55}
Find an equation of variation in which y varies inversely as x and the following is true.y = 7, when x = 15
A. y = 
B. y = 
C. y = 
D. y = 105x