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lubasha [3.4K]
3 years ago
15

The distance between the points (−5, 1) and (2, −1).

Mathematics
2 answers:
devlian [24]3 years ago
8 0
Here u go :) hope it helps

jarptica [38.1K]3 years ago
7 0

Answer: The distance \sqrt{53}  which reduces to 7.28

Step-by-step explanation:

To find the distance between these two coordinates, find the difference of the y coordinates and x coordinates and square them then add them together to find their square root.

The y coordinates are 1 and -1.

The x coordinates are -5 and 2.

So -1-1 = -2

-5 - 2= - 7   Find their absolute values.

The absolute value of -2 is 2  and the absolute value of -7 is 7.

2^2 + 7^2 = d^2     where d is the distance.

4 +49  = d^2

53=  d^2  

d= \sqrt{53}  

d= 7.28

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AveGali [126]
<h2><u>Answer</u><u> </u><u>:</u></h2>

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2 years ago
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iragen [17]

Answer:

third number = 4,

equation of y, y = 5x - 11

equation of n, n = 4x

equation of x, n + x + y =19

Step-by-step explanation:

so lets write evertything as a n equation. n + x + y =19. N is the first number, x is the second number, and y is the third number. We will write the equation for y as follows 5x - 11. N will be four times the second number, so 4x. If substitute the values for out equation for x we will find what x equals to. So (4x) + x + (5x - 11) = 19

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