Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find all replacements (less than the modulus) for the question mark that make the statement true.5 - 8 ? ? (mod 13)
A. 4 B. 2 C. 10 D. 11
Mathematics
Solve the problem.A number increased from 2254 to 9746 . Find the amount of increase.
A. 7492 B. 7484 C. 9492 D. 7404
Mathematics
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 13,000; exact: 13,275.44 B. Estimate: 12,000; exact: 12,275.44 C. Estimate: 13,000; exact: 13,375.44 D. Estimate: 12,000; exact: 12,375.44
Mathematics
Simplify.
- 
A. 
B. 
C. 
D. 
Mathematics