Perform the specified calculation.For the vectors u = 
and w = 
, calculate |-2u| + |3w|.
A. 2
+ 3
B. -2
+ 3
C. 2
+ 3
D. 2
- 3
Answer: A
Mathematics
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List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. C' ? A'
A. {r, t} B. {q, r, s, t, u, v, x, z} C. {q, s, u, v, w, x, y, z} D. {w, y}
Mathematics
Evaluate the integral.
2x dx
A. - 
+ 
cot 2x + C
B. - 
- 
cot 2x + x + C
C. - 
+ 
cot 2x - x + C
D. - 
+ 
cot 2x + x + C
Mathematics
State the phrase as a mathematical expression. Use x to represent the variable.A number minus seven hundred five
A. x - 705 B. x + 705 C. 705x D. 705
Mathematics
Solve the system using the substitution method. If the system has no solution or an infinite number of solutions, state this.
= 59x = 10 + 15y
A. 
B. Infinite number of solutions
C. 
D. No solution
Mathematics