Find the solution set for the inequality.-30x - 25 ? -5(5x + 7)
A. {x|x ? 2}
B. {x|x < 2}
C. {x|x > 2}
D. {x|x ? 2}
Answer: A
Mathematics
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A. {7.7} B. {7.69} C. {7.623} D. {-0.13}
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Solve the problem.One acre is about 0.4 hectare. If one hectare is 10,000 m2, determine the area of 28 acres in square meters.
A. 448,000 m2 B. 112,000 m2 C. 0.0112 m2 D. 11,200 m2
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Find the dot product for the pair of vectors.-10i + 9j, -4i - 7j
A. -23 B. 40 C. -63 D. 103
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Identify the equation as an identity, contradiction, or conditional equation.7(x - 1) + 3 = 9x - 2(x - 7)
A. identity B. conditional equation C. contradiction
Mathematics