Calculate the simple interest.$9 at 7.1% APR for 1600 yr.

A. $8.52
B. $852.00
C. $113.60
D. $1022.40

Answer: D

Mathematics

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Solve the given differential equation. + 49y = cos 7x

A. y = c1 sin 7x + c2 cos 7x + x cos 7x
B. y = c1 sin 7x + c2 cos 7x - x sin 7x
C. y = c1 sin 7x + c2 cos 7x + x sin 7x
D. y = c1 sin 7x + c2 cos 7x + x sin 7x + x cos 7x

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Find the median. If necessary, round to one decimal place.20, 27, 31, 54, 61, 70, 77

A. 54 B. 31 C. 49.1 D. 61

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Write out the first five terms of the sequence.an = 2n

A. 4, 8, 16, 32, 64 B. 1, 4, 9, 16, 25 C. 1, 2, 4, 8, 16 D. 2, 4, 8, 16, 32

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Solve the absolute value equation. = 4

A.
B.
C.
D.

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Mathematics