Determine whether the two expressions appear to be equivalent by evaluating both expressions for several different values of x.35x + 3; 7(5x + 3)
A. Equivalent
B. Not equivalent
Answer: B
Mathematics
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Find the acceleration vector in terms of ur and u?.r = 2 cos 2t and ? = 4t
A. a = (-40 sin 2t)ur - 32 cos 2tu? B. a = (-40 cos 2t)ur + 32 sin 2tu? C. a = (-40 cos 2t)ur - 32 sin 2tu? D. a = (-40 cos 4t)ur - 32 sin 4tu?
Mathematics
Solve the system of linear equations using matrices.
A. (0, -4) B. (-4, 0) C. (4, 0) D. (0, 4)
Mathematics
Solve the system of equations by substitution, if a solution exists.
A. x = 1, y = 7 B. x = 0, y = 8 C. No solution D. x = -8, y = 0
Mathematics
Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.
A. 4a
B. 256a
C. 4
D. 4a2
Mathematics