Provide an appropriate response.
How can one recognize when a binomial times a trinomial will result in the sum or difference of perfect cubes?
What will be an ideal response?
Answers will vary.
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Solve.A plane flies 490 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 27 mph, what is the speed of the plane in still air?
A. 152 mph B. 167 mph C. 162 mph D. 187 mph
Add or subtract as indicated. -
A.
B.
C.
D.
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 3; zeros: -2 and 3 + i.
A. f(x) = x3 - 8x2 + 2x + 20 B. f(x) = x3 - 6x2 - 10x + 20 C. f(x) = x3 - 4x2 - 10x + 20 D. f(x) = x3 - 4x2 - 2x + 20
Find the missing parts of the triangle. C = 35°30'a = 18.76c = 16.15If necessary, round side lengths to the nearest hundredth.
A. A1 = 42°25', B1 = 102°05', b1 = 27.2; A2 = 137°35', B2 = 6°55', b2 = 3.35 B. no such triangle C. A1 = 102°05', B1 = 42°25', b1 = 17.52; A2 = 6°55', B2 = 137°35', b2 = 26.19 D. A = 42°25', B = 102°05', b = 25.19