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4 years ago

Which point represents a viable solution? Help please

Mathematics

1 answer:

zhuklara [117]4 years ago

7 0

Hmmm... not sure about if I'm right but I think its B. (2,9)

Let me know if I helped :)

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Two trains leave stations 546 miles apart at the same time and travel toward each other. One train travels at 95 miles per hour

Ira Lisetskai [31]

Answer:

It will take 2 hours 36 minutes for the two trains to meet.

Step-by-step explanation:

The distance between the two trains is decreasing by $95+115= 210$ miles per hour, which can be written as $\frac{210 miles}{1 hour}$ .

So at this rate, the distance between the trains will be reduced to zero in:

$\frac{546 miles}{\frac{210 miles}{1 hour} } = 476 miles * \frac{1 hour}{210 miles}$

$= \frac{546}{210} = 2.6 hours$

Changing 2.6 hours to hours and minutes:

$2 hours + 0.6 hours = 2 hours + (0.6 * 60) = 2 hours + 36 minutes$

Therefore, it will take 2 hours 36 minutes for the two trains to meet.

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3 years ago

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Nataly [62]

Answer:

1/2

Step-by-step explanation:

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3 years ago

3x+2x2+9y+8 I need this question it’s urgent

aev [14]

Answer: simplified

3x + 9y + 12

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4 years ago

Suzanne buys upgrades for her computer. The upgrades cost $311.60 before taxes. The sales tax rate is 6.75%. What is the amount

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Answer:

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4 years ago

Create a quadratic equation that would have two real solutions. Then,

tankabanditka [31]

Answer:

Thinking graphically, these correspond to the graph of the straight line (a) missing the graph of the parabola entirely, (b) kissing the parabola at one point or (c) cutting across the parabola and coinciding with it at 2 points.

Step-by-step explanation:

Explanation:

Graphically, a quadratic equation is a parabola and a linear equation is a straight line.

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3 years ago