Find the indicated matrix.Let B = [-1 4 4 -3]. Find -2B.
A. [2 -8 -8 6]
B. [2 4 4 -3]
C. [-3 2 2 -5]
D. [-2 8 8 -6]
Answer: A
Mathematics
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Provide an appropriate response.
A piece of round steel is milled to a point at one end. The angle formed by the point is the angle of taper. If the steel has a 22-mm diameter and a 60° angle of taper, find the length c of the taper. 
A. 19.1 mm B. 11 mm C. 22 mm D. 21 mm
Mathematics
Find the balance due on the maturity date of the note. Find the total amount of interest paid on the note. Use the United States Rule.Principal: $38,400Interest: 9.2%Time (days): 180Partial payment: $20,000 on day 100
A. $19,777.57; $1377.57 B. $18,642.69; $242.69 C. $20,421.19; $2421.19 D. $22,101.51; $3701.51
Mathematics
Solve the equation.
= 3
A. {8} B. {0} C. {15} D. {7}
Mathematics
Simplify.
A. 54
B. 
C. 5
D. 
Mathematics