Three postal workers can sort a stack of mail in 10 minutes, 35 minutes, and 70 minutes, respectively. Find how long it takes them to sort the mail if all three work together. The time it takes for all three to complete the job is (Type a whole number.) minutes.

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Q: 5. Given the function P(x) = x³+4x²+ kx + 15, for what value of k is (x + 3) a factor of P(x)? 26 8…

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Q: Consider the matrix 5 -3 12 -6 2 -12 -3 3 -10 For each of the following eigenvectors, find the…

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Q: Which of the following matrices is in Reduced Row Echelon Form? [1 0 0 000 Lo 0 0 1] O The above one…

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Q: Question 32 of 40 Solve for x. 4.25x = 21. O A. 0.31 ○ B. 0.48 OC. 0.42 OD. 0.08

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Q: 2. Solve the following system using a matrix and converting the matrix to reduced row echelon form,…

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Q: The plane 15x - 12y + 20z = 60 is represented by which graph below? A C Answer: B Select one: O a.…

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Q: Write this fraction as a decimal to 2 decimal place 8.7/20.5 0.42 Check

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Q: Determine the points of intersection of the parabola y=2x^2 +12x +10 and the line y=4x+2

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A: Given that , -2i4+3i-1-2i-5+4ixy=8+29i-42-2i

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Q: 2 3. Let A be an invertible matrix such that A-¹ = 0 1 2 1 3 0 1 01 Solve the system (2A²)x= b,…

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Q: I== (0),” 0=(0)," I-= (0)" 0="pt8tstan

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Q: Complete the table shown to the right for the half adioactive substance.

A: topic:-calculus

Q: Define the quadratic function f(x) = 2x − x² – 2. (a) Find the vertex and x-intercepts, y-intercept…

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Q: QUESTION 1. Solve each of the following ODEs. If initial conditions are given, give the unique…

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Q: A loan of $43,000 is made at 8.25% interest, compounded annually. After how many years will the…

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Q: Simplify 12(7a - 3) - 3(2a + 1). O ○ a) 84a² - 21a - 3 O b) 84a²-42a - 3 Oc) 84a²-6a - 2 d) 84a² -…

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Q: The entire graph of the function h is shown in the figure below. Write the domain and range of h as…

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Q: 1. How many liters in 5.3 gallons? 2. Nine inches equals how many centimeters? 3. How many…

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Q: 9. Determine the x-intercepts of the graph of each polynomial function. a) 6x³ + 13x² + 2x b) -36x…

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Q: The student council is organizing a trip to rock concert. All proceeds from ticket sales will be…

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Q: -7 11 15- :{-7, 11, 15} : {3,4,8, 15} =: {y ER} 3 5 LO 8 15

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Q: The trunk space of a small automobile measures 3.5 ft in width, 4.1 ft in length, and 1.4 ft in…

A: The trunk space of a small automobile measures 3.5 ft in width, 4.1 ft in length, and 1.4 ft in…

Q: Let M-1 = [² ¹9]. 18 Then (2M¹)-¹ = [3] the above matrix None of the mentioned 4 [1/2]

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Q: 3x-2y - 2 = 3 4x − 3y - 2z = 7 - 7x +8y + 2 = 3

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