Write the equation for the shape described.The left semicircle centered at (0, 0) with radius 4
A. x =
B. x = -
C. x =
D. x = -
Answer: D
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Describe the given set of points with a single equation or with a pair of equations.The plane through the point (-9, -8, -9) and perpendicular to the x-axis
A. x = -9 B. -9 + y + z = 0 C. y + z = -17 D. y = -8 and z = -9
Find the expected value of the random variable in the experiment.Three cards are drawn from a deck without replacement. The number of aces is counted.
A. .2174 B. 1.0134 C. .2308 D. 1
Let x represent the number. Write the English phrase as an algebraic expression.Ten times a number, decreased by 67.
A. 10(x + 67) B. 10x - 67 C. 10(x - 67) D. 10x + 67
Find the missing parts of the triangle.A = 10.5°a = 149 ftb = 176 ft
A. B = 12.4°, C = 157.1°, c = 318 ft B. B1 = 157.1°, C1 = 12.4°, c1 = 318 ft B2 = 1.9°, C2 = 167.6°, c2 = 27 ft C. No solution D. B1 = 12.4°, C1 = 157.1°, c1 = 318 ft B2 = 167.6°, C2 = 1.9°, c2 = 27 ft