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Mamont248 [21]
2 years ago
11

Part A: Create a system of linear equations with no solution. In two or more complete sentences, explain the specific characteri

stics that you included in each equation to ensure that the system would not have a solution.
Part A
3x + 2=y
3x=y
This makes the equation impossible, as no number equals itself plus two.
Part B
y=x+2
y=2x
Now, use substitution:
2x=x+2
x=2
Mathematics
1 answer:
lana [24]2 years ago
8 0

Answer:

That the answer

Step-by-step explanation:

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Jeff was already 7 miles out of town when his sister
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The sister catches up Jeff after 2 hours

Step-by-step explanation:

We can write Jeff's position and his sister position at time t using the following expressions:

- Jeff position:

x_j(t) = 7 + 2.5 t

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7 is the initial position of Jeff when his sister sarts chasing him

2.5 is Jeff's velocity (in miles/hour), so its position increases by 2.5 miles for each hour

t is the time measured in hours

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6 is the sister velocity (her position increases by 6 miles for every hour)

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The sister catches up Jeff when the two positions are equal, so

x_j(t) = x_s(t)\\7+2.5t=6t

And solving for t,

7+2.5t-2.5t=6t-2.5t\\7=3.5t\\t=\frac{7}{3.5}=2 h

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brainly.com/question/8893949

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