Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
? 0
A. (-?, -8] or [-4, ?)
B. (-8, -4]
C. (-?, -8) or [-4, ?)
D. [-4, ?)
Answer: C
Mathematics
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Determine the real solutions to the system of nonlinear equations.5x2 - 3y2 = 683x2 + 2y2 = 56
A. (4, -2), (4, 2) B. (4, 2), (-4, 2), (4, -2), (-4, -2) C. (-4, -2), (-2, -4) D. (4, 2), (2, 4), (-4, -2), (-2, -4)
Mathematics
Solve the problem.A picometer is 1 × 10-12 meters. Express this number in decimal notation.
A. 0.0000000000001 B. 0.0000000001 C. 0.000000000001 D. 0.00000000001
Mathematics
Solve the problem and simplify your answer completely.On a certain map, 1 inch equals 36 miles. How many miles are in 5
inches?
A. 46 miles
B. 189 miles
C. 45
miles
D. 6
miles
Mathematics
Write the number in scientific notation.0.000077311
A. 7.7311 × 105 B. 7.7311 × 104 C. 7.7311 × 10-5 D. 7.7311 × 10-4
Mathematics