Use the at least once rule to find the indicated probability.Find the probability of at least one 3 in 7 rolls of a fair die.

A. 0.721
B. 0.992
C. 0.279
D. 0.056


Answer: A

Mathematics

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Identify the graph of the equation as a parabola, hyperbola, ellipse, or circle.5y2 - 2x = 1

A. hyperbola B. circle C. ellipse D. parabola

Mathematics

The graph of a function f is given. Use the graph to answer the question.What are the x-intercepts?

A. (-30, 0), (35, 0) B. (-50, 0), (-30, 0), (35, 0), (50, 0) C. (-30, 0), (35, 0), (50, 0) D. (-30, 0)

Mathematics

Add.3.7 + 0.619 + 45

A. 8.819 B. 45.989 C. 54.89 D. 49.319

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Solve.The function  represents the yearly income (or loss) from a real estate investment, where t is time in years. After what year does income begin to decline?

A. 5.5 B. 8.67 C. 13 D. 6.5

Mathematics