Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 + 32x + 256
A. (x + 16)(x - 16)
B. (x + 16)2
C. (x - 16)2
D. prime
Answer: B
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: upper hemisphere of x2 + y2 + z2 = 9 cut by the plane z = 0Density: ? = 4
A. Iz = 216? B. Iz = 36? C. Iz = 54? D. Iz = 432?
Use a tree diagram to find the indicated probability.In the town of Cheraw, a certain type of laptop computer is sold at just two stores. Store A has 38% of the sales, 4% of which are of defective items, and store B has 62% of the sales, 2% of which are of defective items. A person receives one of these laptop computers as a gift. What is the probability it is defective?
A. 0.03 B. 0.014 C. 0.42 D. 0.028
Solve the problem.The area of a trapezoid is 68 square feet. If the bases are 6 ft and 11 ft, find the height of the trapezoid.
A. 4 ft B. 16 ft C. 1.5 ft D. 8 ft
Factor the trinomial completely.60x3 - 92x2 + 16x
A. x(5x - 1)(12x - 16) B. x(20x - 4)(3x - 4) C. 4(5x2 - 1)(3x - 4) D. 4x(5x - 1)(3x - 4)