Find the mean of the list of data.43, 65, 47, 31, 80, 54, 91, 109
A. 64
B. 63
C. 66
D. 65
E. 67
Answer: D
Mathematics
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Sketch the graph of the equation. If the graph is a parabola, find its vertex. If the graph is a circle, find its center and radius.y = -4x2
A. vertex (0, 0)
B. vertex (0, 0)
C. vertex (0, -4)
D. vertex (0, 0)
Mathematics
Approximate the value using a calculator. Express answer rounded to three decimal places.3.8?
A. 77.476 B. 11.938 C. 36.462 D. 66.289
Mathematics
Find the capacity of the container, when ?a? = 20, ?b? = 15, ?c? = 30.
?
?
A. 15 L B. 10 L C. 12 L D. 13 L E. 9 L
Mathematics
Graph the hyperbola.16y2 - 25x2 = 400
A. 
B. 
C. 
D. 
Mathematics