Solve the problem.The kinetic energy K of an object with mass m and velocity v is  How is dm/dt related to dv/dt if K is constant?

A.  = - 
B.  = - 2mv3
C.  = 
D.  = - 


Answer: D

Mathematics

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Write the compound statement in symbols.Let r = "The food is good." p = "I eat too much." q = "I'll exercise."If the food is not good, I won't eat too much.

A. r ? ~p B. ~p ? ~r C. ~(r ? p) D. ~r ? ~p

Mathematics

Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.20x2 + 23x + 6

A. prime B. (4x + 3)(5x + 2) C. (20x + 3)(x + 2) D. (4x - 3)(5x - 2)

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Plot the given point in a rectangular coordinate system.(-4, -5) 

A.

B.

C.

D.

Mathematics

Simplify the root.- 

A.  
B. x5
C. -x5
D. - 

Mathematics