Write an equivalent expression. Use a commutative law.3 + xy
A. xy + 3, or 3 + yx
B. 3xy, or 3yx
C. 3 + x + y
D. 3(1 + xy)
Answer: A
Mathematics
You might also like to view...
The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (4 sin 2t)i - (5 cos 2t)j + (3 csc 2t)k
A. a
= -16i + 12k
B. a
= 20j + 12k
C. a
= 16i + 12k
D. a
= -16i - 12k
Mathematics
Solve the system by elimination.
A. (3.5, 9.5) B. (6, 3.5) C. (3.5, -9.5) D. (6, -9.5)
Mathematics
Find the difference.33.54 - 26
A. 59.54 B. 7.54 C. 8.04 D. 7.64
Mathematics
Solve the exponential equation.102x = 1016.6
A. -8.3 B. 83 C. 8.3 D. 10
Mathematics