Give three kinds of notation for the percent.90%

A. ; 9 × ; 9 × 0.01
B. ; 90 × ; 90 × 0.1
C. ; 90 × ; 90 × 0.001
D. ; 90 × ; 90 × 0.01


Answer: D

Mathematics

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A. 6 ft B. 10 ft C. 12 ft D. 8 ft

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Solve the system by the elimination method or a combination of the elimination and substitution methods. x2 - xy + y2 = 32x2 + xy + 2y2 = 12

A. {(2, 1), (1, 2)} B. {(1, 0), (-1, 0)} C. {(2, 1), (-2, -1), (1, 2), (-1, -2)} D. {(2, 0), (-2, 0), (1, 0), (-1, 0)}

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Simplify the factorial expression.

A.
B.
C. 2!
D. 30

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Find all degree solutions for the equation ?   in the interval . ? 

A. 14.5°, 23.8°, 156.2°, 165.5° B. 14.5°, 23.6°, 156.4°, 165.5° C. 14.7°, 23.8°, 156.2°, 165.3° D. 14.1°, 23.2°, 156.8°, 165.9° E. 14.7°, 23.6°, 156.4°, 165.3°

Mathematics