Determine whether the matrices are inverses. 
, 
A. Yes
B. No
Answer: B
Mathematics
You might also like to view...
Solve.A rectangular yard has a perimeter of 398. The length is 9 ft more than 4 times the width. Find the width of the yard.
A. Width: 13 ft B. Width: 39 ft C. Width: 38 ft D. Width: 32 ft
Mathematics
Use the integral test to determine whether the series converges.
A. diverges B. converges
Mathematics
Solve the system by the addition method.x + y = -9x - y = 14
A. {(2.5, -11.5)} B. {(9, -11.5)} C. {(9, 2.5)} D. {(2.5, 11.5)}
Mathematics
Solve the problem.A cylindrical jelly jar is 5 in. across the top and about 8 in. high. How many cubic inches of jelly could it hold? Use 3.14 for ?. Round the answer to the nearest tenth if necessary.
A. 314.0 in.3 B. 628.0 in.3 C. 157.0 in.3 D. 251.2 in.3
Mathematics