Determine whether the vectors v and w are orthogonal.v = < 8, -2 >, w = < -3, -9 >
A. Not orthogonal
B. Orthogonal
Answer: A
Mathematics
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Find the area of the region specified in polar coordinates.The region enclosed by the curve r = 7 - 5 cos ?
A. ?
B. ?
C. ?
D. 74?
Mathematics
Find the indicated probability.A fair die is rolled and a coin is flipped. What is the probability that a 2 is rolled or a head shows?
A.
B.
C.
D.
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Express the following in interval notation.{x|x < -5 or x ? -1}
A. (-?, -5] ? (-1, ?) B. (-?, -5) ? [-1, ?) C. [-5, -1) D. (-5, -1]
Mathematics
Solve for the base. Round to the nearest cent.Part: $132,311.00 Rate of increase: 8.2%
A. $122,283.73 B. $143,160.50 C. $132,311.00 D. $122,383.73
Mathematics