Write the improper fraction as a mixed or whole number.

A. 252
B.
C. 2525
D. 2525


Answer: A

Mathematics

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Perform the indicated operations.

A.
B.
C. 4
D.

Mathematics

Solve the problem.At a plant that packages bottled spring water, the water is passed through a sequence of ion-exchange filters to reduce the sodium content prior to bottling. Each filter removes 73% of the sodium present in the water passing through it. Determine the number of filters that must be used to reduce the sodium concentration from 21 parts-per-million to 1.69 parts-per-million.

A. 10 filters B. 11 filters C. 8 filters D. 9 filters

Mathematics

Use the Binomial Theorem to expand the binomial.(x - 3)6

A. x6 - 18x5 - 108x4 - 486x3 - 972x2 - 1458x - 729 B. x6 - 18x5 + 135x4 - 540x3 + 1215x2 - 1458x + 729 C. x6 - 18x5 - 729x4 - 60x3 - 729x2 - 18x - 3 D. x6 - 18x5 + 36x4 - 54x3 + 36x2 - 18x + 3

Mathematics

Solve the inequality and give the solution set.|x + 9| ? 0

A. {t|9 ? x ? -9}
B. {9}
C.
D. {-9}

Mathematics