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Genrish500 [490]
3 years ago
12

A county is in the shape of a right triangle. Which of the following could not be the lengths of the borders of the county?

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
5 0

Answer:

J

Step-by-step explanation:

a^{2} +b^{2} =c^{2}

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X+5y=-15<br> (In standard form )
galben [10]

Step-by-step explanation:

The equation of a line in standard form is given as:

ax+by+c=0

x + 5y =  - 15 \\  \implies \: x + 5y + 15 = 0 \\

Which is in the standard form.

5 0
3 years ago
A radioactive substance decays according to
irakobra [83]

Answer:554.64 s

Step-by-step explanation:78/250= e^(-0.0021t)

0.312=e^(-0.0021t)

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6 0
3 years ago
A pilot was scheduled to depart at 4:00 pm, but due to air traffic, her departure has been delayed by 15 minutes. Air traffic co
AlladinOne [14]

Answer:

y = \frac{x}{2}+15 will be the equation that can be used to predict the number of minutes after 4:00 pm she will arrive at her destination.

Step-by-step explanation:

Let x represent the time, in minutes, of her original flight plan.

Let y represents the time, in minutes, of her new flight plan.

The time of Original flight schedule = 4:00 pm

The number of minutes delayed by Original flight = 15 minutes

As the new flight plan is two times faster than original flight plan.

So, the equation of new flight plan will be:                    

                                  y = \frac{1}{2}x

                                  y = \frac{x}{2}

But, the original flight plan was delayed by 15 minutes. Hence, the equation to predict the number of minutes after 4:00 pm she will arrive at her destination will become:

                                  y = \frac{x}{2}+15

So, y = \frac{x}{2}+15 will be the equation that can be used to predict the number of minutes after 4:00 pm she will arrive at her destination.

                                             

Keywords: equation, problem solving, word problem

Learn more about system of equation from brainly.com/question/14280085

#learnwithBrainly                                

4 0
4 years ago
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If 2x - 3 is an odd integer, find the next even integer.
Ksenya-84 [330]

2x-3+1=2x-2

7 0
3 years ago
What is 10/8 written as a decimal?
ale4655 [162]

Answer:

1.25

Step-by-step explanation:

5 0
3 years ago
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