Perform the indicated operations.(2n6 + 10n5 - 9) - (8n6 - 18n5 - 18)
A. -6n6 + 28n5 + 9
B. 31n11
C. -6n6 + 28n5 - 27
D. -6n6 + 18n5 - 27
Answer: A
Mathematics
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B.
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (7 - 9t)i + (4 + 2t)j + (6t - 2)k, -2 ? t ? 10
A. 88 B. 132 C. 968 D. 1452
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Use the properties of real numbers to simplify the expression.-8(6z + 11m)
A. 48z - 11m B. 48z - 88m C. -48z - 88m D. -48z + 88m
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Solve the problem.A rectangular carpet has a perimeter of 192 inches. The length of the carpet is 76 inches more than the width. What are the dimensions of the carpet?
A. 86 by 10 in. B. 53 by 63 in. C. 86 by 96 in. D. 91 by 96 in.
Mathematics