Solve. Write the solution set using set-builder notation and using interval notation. Graph the solution set. 0.6x + 15 + x > 2x + 19 - 0.5x
A. {x
x < -4}; (-?, -4)
B. {x
x < 40}; (-?, 40)
C. {x
x > 40}; (40, ?)
D. {x
x ? -4}; [-4, ?)
Answer: C
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Perform the indicated operation.
A. x2 - 5 B. x + 5 C. x - 5 D. x2 + 5x - 36
Solve the problem.Find the value of a retirement savings account paying an APR of 6.6% (compounded monthly) after 40 years of monthly contributions (contributions made at the end of each month, including the last month) when the monthly contribution is $70. Round your answer to the nearest cent.
A. $153,058.18 B. $151,340.60 C. $164,337.15 D. $168,962.63 E. $176,383.48
Determine the real solutions to the system of nonlinear equations.x2 + y2 = 8 -5x + y2 = -6
A. (2, 2) B. (2, 2), (2, -2), (-7, 2), (-7, -2) C. (2, 2), (2, -2) D. (2, 2), (2, -2), (-2, 2), (-2, -2)
Divide.1.5 ÷ 0.005
A. 30 B. 3 C. 0.3 D. 300