The time (T) it takes to plant rice in an acre varies inversely as the number of farm workers (W). If 18 workers can plant rice in a certain number of acres in 3 days, how long will it take 12 workers to plant rice in the same number of acres?

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Q: A company reimburses its sales representatives $165 per day for lodging and meals plus $0.45 per…

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Q: 22. The distance D that a spring is stretched by a hanging object varies directly as the weight W of…

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Q: 17. For what value(s) of k, if any, will the lines *+1_y+2 3 k 7=(6,−1,0)+t(6,1−k,2) perpendicular?…

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Q: solue 2/2y² + 5xy - 2y +4) dx + x (2x +2y-1) dy = 0

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Q: 1 and (¹)- 21. The matrix A = (_-¹2) is diagonalizable with eigenvectors (¹) =( Explain why A is…

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Q: 18. Find the equation of a plane that passes through the points A(3,-1,2), B(6,4, 1) and C(2,0,-3).…

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Q: 1. For what value(s) of r (if any) is the vector (-2, 14, r) a linear combination of the vectors (2,…

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Q: =x³+2, find the equation of the secant line passing through (-3, h (-3)) and (1, h (1)). Write your…

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Q: 36. a. The problem below shows steps in finding the product of two two- digit numbers using this…

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Q: 4. Ben sold tickets to a play. He sold Gold seats for $8 each and Silver seats for $3 each. He sold…

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Q: Factor by grouping (sometimes called the ac-method). 14x²-x-4 First, choose a form with appropriate…

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Q: 3. Graph the inequality -4 -8 -7-6-5-4-3 -2 -1 0 1 2 3 - 4 5 67 @

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Q: a) 2x+4 3x+2 3 4 b) 2 1 equation = 4

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Q: Find the fifth and sixth term for the :following function an 1-(-1") n³ A) 2/125,0 O B) 2/125, 2/750…

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Q: 2x+3x₂-x₂ = 7 3. Use Cramer's rule to solve 3x, -5x₂ =4 x₁ + x₂ = 5

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Q: Find the intervals on which the graph of f is concave upward, the intervals on which the graph of f…

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Q: 3) What is the value of -0?

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Q: If A is an invertible matrix and det(A) = 7, what is det (A-1)?

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Q: The speed of light is 2.9979 × 108 m/sec. Approximate log (2.9979 × 108). log (2.9979 × 108) ~ 3

A: We need to approximate log2.9979×108.Log formula: logMN=logM+logN ; logxn=nlogx

Q: Simplify the following expression by rewriting it with positive powers: 5u7a-9 20ua⁹ Write your…

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Q: SOLVE FOR THE X OF THE FOLLOWING FUNCTION USING REGULA FALSI a. 4x² + 3x3 = 0

A: