Twelve gallons of a salt solution consists of 35% salt. It is the result of mixing a 55% solution with a 25% solution. How many gallons of each of the solutions was used? Let x=the number of gallons of the 55% solution and y= the number of gallons of the 25% solution. The corresponding modeling system is {x+y=12 0.55x+0.25y=0.35(12)Solve the system by using the method of substitution and what is the ordered pair?

Q: 4) J2x 13x 2y -1

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A: Using Online Desmos Graphing Calculator,

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A:

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A:

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A:

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A: we have to solve the system x2 + y2 = 5, x2 + (y - 8)2 = 41 by the addition method.

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A:

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A:

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A: Given:  x2+y2=10                                              ...1y=x+2…

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A:

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Q: rectangle

A:

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A:

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A: Consider the given equation as follows.

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A:

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A:

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A:

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A:

Q: Solve system by the substitution method.

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