What expression represents the exact circumference of a circle with radius 6 inches?

What will be an ideal response?

12 inches

Mathematics

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Determine the quotient.13 ÷  0

A. 13 B. 0 C. 1 D. Undefined

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Mathematics

Express the indicated roots of unity in standard form a + bi.Fifth roots of unity

A. 1 + 0i
cos  + i sin  ? 0.31 + 0.95 i
cos  + i sin  ? - 0.81 + 0.59 i
cos  + i sin  ? - 0.81 - 0.59 i
cos  + i sin  ? 0.31 - 0.95 i
0 + i
B. 1 + 0i
cos  + i sin  ? 0.81 + 0.59 i
cos  + i sin  ? 0.31 + 0.95 i
cos  + i sin  ? - 0.31 + 0.95 i
cos  + i sin  ? - 0.81 + 0.59 i
C. cos  + i sin  ? 0.31 + 0.95 i
cos  + i sin  ? - 0.81 + 0.59 i
cos  + i sin  ? - 0.81 - 0.59 i
cos  + i sin  ? 0.31 - 0.95 i
cos  + i sin  ? 0.31 + 0.95 i
D. 1 + 0i
cos  + i sin  ? 0.31 + 0.95 i
cos  + i sin  ? - 0.81 + 0.59 i
cos  + i sin  ? - 0.81 - 0.59 i
cos  + i sin  ? 0.31 - 0.95 i

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Mathematics

Evaluate the indefinite integral. dx

A.  + C
B.  + C
C.  + C
D. (x7 - 5)5 + C

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Mathematics

Find the vertex of the graph of the quadratic function.f(x) = x2 + x + 4

A. (1, 6)
B.
C. (-1, 4)
D.

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Mathematics