Factor the trinomial completely. If the polynomial cannot be factored, write "prime."2x3y5 + 2x2y5 - 24xy5
A. y5(2x2 + 6x)(x - 4)
B. 2xy5(x + 3)(x - 4)
C. 2xy5(x - 3)(x + 4)
D. prime
Answer: C
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Solve.A transition duct is constructed from a circular sector of radius 20 inches and central angle 100°. What is the area of the metal used? What is the arc length of the sector? Round to the nearest tenth.
What will be an ideal response?
Find the product.4x2(x2 + x - 3)(x3 - 10)
A. 4x7 + 4x6 - 12x5 + 40x4 - 12x3 + 40x2 B. 4x7 + 4x6 + 12x5 - 10x4 - 40x3 + 120x2 C. 4x6 + 4x5 - 12x4 - 40x3 - 40x2 + 120x D. 4x7 + 4x6 - 12x5 - 40x4 - 40x3 + 120x2
Solve the triangle. Approximate values to the nearest tenth when appropriate. a = 7.2 b = 13.6 c = 16.8
A. No solution B. ? = 24.6°, ? = 51.8°, ? = 103.6° C. ? = 26.6°, ? = 49.8°, ? = 103.6° D. ? = 22.6°, ? = 51.8°, ? = 105.6°
Find an equation for the line with the given properties.Parallel to the line 5x + 6y = -5; x-intercept = -2
A. 5x + 6y = -10 B. 6x - 5y = -12 C. 6x - 5y = 10 D. 5x + 6y = -12