Solve the problem.A collection of dimes is arranged in a triangular array with 11 coins in the base row, 10 in the next, 9 in the next, and so forth. Find the value of the collection.

A. $3.30
B. $0.66
C. $13.20
D. $6.60


Answer: D

Mathematics

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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by y = x3, on the right by the line , and below by the x-axis

A. ?
B. ?
C. 4?
D. ?

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Sketch the graph of the function on semilog paper.y = 4()x

What will be an ideal response?

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Use the addition property of equality to solve the equation.29 = f - 20

A. -49  B. -9 C. 9  D. 49 

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Solve the quadratic equation by any method. Express complex numbers in standard form.(x + 6)2 + 32 = 0

A. {-14i, 14i}
B. {-6 - 4i, 6 + 4i}
C. {-6 - 4i, -6 + 4i}
D. {6 - 4i, 6 + 4i}

Mathematics