Use a calculator to solve the equation. Round to the nearest hundredth, if necessary.(m + 3.03)2 = 11.56

A. {2.92, -2.92}
B. {0.37}
C. {1.66, -5.14}
D. {0.37, -6.43}


Answer: D

Mathematics

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Solve the equation in the complex number system.x5 - 1 = 0

A. -1, cos(72°)+ i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°), cos(288°) + i sin(288°) B. 1, cos(36°) + i sin(36°), cos(108°) + i sin(108°), cos(180°)+ i sin(180°), cos(252°) + i sin(252°) C. 1, cos(72°)+ i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°), cos(288°) + i sin(288°) D. 1, cos(72°) + i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°),-1

Mathematics

Perform the indicated operation. Write the answer in the form a + bi.4(cos 135° + i sin 135°) ? 6(cos 225° + i sin 225°)

A. 24i B. 24 C. -24 D. -24i

Mathematics

Solve the problem.Ozone levels inside a building should not exceed 50 parts per billion (ppb). In a scientific study, an air filter was able to remove 44% of the ozone entering a building. Approximate the range of ozone concentrations in outside air that this filter will reduce to an acceptable level.

A. 71 ppb ? x ? 89 ppb B. x ? 89 ppb C. x ? 89 ppb D. x ? 107 ppb

Mathematics

Solve for x: 3:x = 39:104.

What will be an ideal response?

Mathematics