Solve the equation.5(x + 3) = (5x + 15)
A. no solution
B. {30}
C. {0}
D. all real numbers
Answer: D
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If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (cos 2t)i + (5 sin t)j
A. a = (-4 cos 2t)i + (-5 sin t)j B. a = (-2 cos 2t)i + (5 sin t)j C. a = (-4 cos 2t)i + (-25 sin t)j D. a = (4 cos 2t)i + (-5 sin t)j
Use DeMorgan's Laws to rewrite the negation of the statement.You cannot make a deposit or a withdrawal with that ATM card.
A. You can make a deposit or you can make a withdrawal with that ATM card. B. You can make a deposit and you can make a withdrawal with that ATM card. C. You cannot make a deposit and you can make a withdrawal with that ATM card. D. You cannot make a deposit and you cannot make a withdrawal with that ATM card.
Find the equation in general form of the circle with center at 
and 
.
?
A. 
B. 
C. 
D. 
E. 
Give the coordinates of the circle's center and it radius.
?
?
Enter your answer using the coordinate notation: 
, and 
separated with a comma.
What will be an ideal response?