Find the prime factorization of the given composite number.679
A. 7 ? 95
B. 7 ? 97
C. 7 ? 7
D. 7 ? 7 ? 97
Answer: B
Mathematics
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Which fraction is in simplest form for the fraction: ?
?
A.
?
B.
?
C.
?
D.
?
E.
?
Mathematics
Find the unit tangent vector T and the principal unit normal vector N. r(t) = (1 + t)3/2i +
(1 - t)3/2j + 2tk
A. T = i -
j +
k; N =
i +
j
B. T = i +
j +
k; N =
i +
j
C. T = i -
j +
k; N =
i +
j
D. T = 4i - 4
j + 2k; N = 3
i + 3
j
Mathematics
Find a rectangular-coordinate equation for the curve by eliminating the parameter.
Mathematics
Use the root test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics