Solve the mixture problem. 47) A pharmacist wants to mix a 21% saline solution with a 31% saline solution to get 15 L of a 27% saline solution. How much of each solution should she use?

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Q: 2. Let A = 201-18 and /= 2 1 1 2 01 Find A(A+1).

A: A=[2 1      1 2]I=[1 0      0 1]

Q: 32 Ө 12

A:

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A: Consider the function

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Q: 4. Find the solution to the system of equations. Please show yo 2x - 4y + 5z = -33 4x - y =-5 -2x +…

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Q: Q2. Solve the system equations using Cramer's Rule. 3x-2y+z=9 x+2y-2z = -5 x+y=4z =-2

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A: COnsider the graph of the function

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A: Given that the 4th term of the arithmetic series is 12 and 13th term is 30 we have to find the first…

Q: -11- 2 4) Let C => 32 -3 and D= 3 Find C-3D.

A: Let C=[1−32] and D=[−13−2]

Q: X 1 3 5 7 9 h(x) 9 7.1 1 7.2 9.1 3/ -11- 10 9 -8- -7 -6- -5- 4 3- -2 -1 0 N 00 -15 6 7 8 20 9

A:

Q: What is the correct way to notate the blue region indicated by this Venn Diagram? U A B Enter a, b,…

A: To find the correct way to notate the blue region indicated by the the following Venn diagram.

Q: A 1. X Y 5. Y X B 1. Y+Z 2. 3+ Y 3. (2nd) - X 6. (1st) + (4th) 7.(6th) + (5th) 2. (1st)/X 4. (3rd)/X…

A: Step 1: x × y = xyStep 2: 3 + yStep 3: (2nd) - x = (3 + y) - x = 3 +y - xStep 4: (3rd ) / x = (3 + y…

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Q: A. ABA-¹ = B B. A+ A-¹ is invertible C. (A + B)(A - B) = A² - B² D. (In + A)(In + A-¹)=2In + A + A−¹…

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Q: Write an expression representing the given qual The quantity of pollutant remaining in a lake if it…

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Q: Solve (3^(3x - 1) = 10^x) algebraically.

A: The given equation is

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Q: A time traveler can take 4 books with him, and he has 54 books to choose from. How many different…

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A: Louisa has two jobs. She works as a barista, which pays $13 per hour, and she worksas an…

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Q: Given the geometric sequence: 17, Find an explicit formula for an an = Find ag = 119 833 2 4 ..

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Q: 11, Find m and n. a. 35-28i = 5m +4ni

A: