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Colt1911 [192]
3 years ago
6

1)Which of these systems of linear equations has an infinite number of solutions?

Mathematics
1 answer:
Alja [10]3 years ago
7 0
1) <span>B)3x+6y=22
6x+12y=44
because the equations are equivalent to each other
 2*(3x+6y=22) -----> 6x+12y=44

2) </span><span>5x+10y=15 should be multiplied by -2, to get 5x*(-2)=-10x, and x then can be eliminated
</span><span>A)-2</span>
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Answer:

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Step-by-step explanation:

It is stated in the question that for every 12 pounds, 3 teaspoons of medicine is to be given to the dog.

This implies that:

12 pounds = 3 teaspoons

1 pound = 3/12 teaspoons

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<em />

<h3>72 pounds = 1/4 * 72 teaspoons</h3><h3>                   = 18 teaspoons</h3><h3 />

Hence, Paul should add 18 teaspoons of medicine to his dog's food.

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2 years ago
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DanielleElmas [232]
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