Solve the equation and check your solution.-5x + 3 + 6x = 11 - 25
A. x = 39
B. x = 17
C. x = -39
D. x = -17
Answer: D
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Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. How fast is the object moving when it is moving fastest?
A. cm/sec
B. A cm/sec
C. A cm/sec
D. A cm/sec
Determine whether or not the set is well defined.{x | x is a stock on the AmEx today}
A. Not well defined B. Well defined
Which of the following is likely to be most strongly influenced by sociomathematical norms in place in a classroom?
a. A class discussion about students' attitudes toward learning mathematics. b. A class discussion about being polite to one another when arguing different points of view about solving problems. c. A class discussion about whether the quadratic equation or factoring is the best way to solve a given equation. d. A class discussion about how the mathematics learned in the classroom may be applicable in real-world settings.
Solve the problem.If u = , v =
, and w =
, evaluate u ? v - u ? w.
A. -2 B. 30 C. 7 D. 3