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s344n2d4d5 [400]
2 years ago
15

Will mark brainliest!!!! Please answer correctly, the questions are in the picture.

Mathematics
1 answer:
zhenek [66]2 years ago
4 0

Answer:

1. A

2. B

Step-by-step explanation:

1. Only option A creates that graph, the other options are either backwards or are on top of each other.

2. Because the two lines are parallel, and do not intersect at all, there will be 0 solutions.

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3 years ago
Michelle is 7 years older than her sister Joan, and Joan is 3 years younger than their brother Ryan. If the sum of their ages is
Zielflug [23.3K]

Answer:

(C) 18

Step-by-step explanation:

We can create a systems of equations. Assuming m is Michelle's age, j is Joan's age, and r is Ryan's age, the equations are:

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We can use substitution, since we know the "values" of m and j.

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So we know that Joan is 18 years old.

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