Make the indicated conversion within units of time.A group of students have been counting down the hours left until spring break. At the 19 hour mark, they start counting down the minutes instead. How many minutes do the students have to count down?

A. 1140 minutes
B. 570 minutes
C. 950 minutes
D. 1710 minutes


Answer: A

Mathematics

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A. - 
B.
C.
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Find the general solution of the differential equation. Use C, C1, C2, . . . to denote arbitrary constants. If used, do not simplify hyperbolic functions.y'(t) = 7 + e-4t

A. y = 7 -  + C
B. y = 7t + e-4t + C
C. y = -4e-4t + C
D. y = 7t -  + C

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Graph the function.f(x) = ?x - 4?

A.

B.

C.

D.

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Find the real number solution set of the equation or inequality shown below the graph.  y = f(x)  f(x) > 0

A. (-?, ?) B. {-4} C. (-?, -4) ? (-4, ?) D. ?

Mathematics