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Vitek1552 [10]
3 years ago
9

Explain why the order of the coordinates does not matter when calculating length in geometry?

Mathematics
2 answers:
Norma-Jean [14]3 years ago
7 0
A=(x_1,y_1)\ \ \ and\ \ \ B=(x_2,y_2)\\\\|AB|= \sqrt{(x_1-x_2)^2+(y_1-y_2)^2} =\\\\= \sqrt{[-(x_2-x_2)]^2+[-(y_2-y_1)]^2}=\\\\ =\sqrt{(x_2-x_2)^2+(y_2-y_1)^2}=|BA|
grin007 [14]3 years ago
3 0
P(x_1;\ y_1);\ Q(x_2;\ y_2)\\\\|PQ|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\|QP|=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}=\sqrt{[-1(x_2-x_1)]^2+[-1(y_2-y_1)]^2}\\\\=\sqrt{(-1)^2(x_2-x_1)^2+(-1)^2(y_2-y_1)^2}=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\|PQ|=|QP|
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Town C is 2 miles east of town A and 2 miles south of Town B as in the figure at right. which of the following is the best estim
Ray Of Light [21]
Since C is 2mi east of A and 2mi south of B, the shortest distance from A to B would be a straight line which is equal to the hypotenuse of a right triangle with a base of 2mi and a height of 2mi..

d^2=x^2+y^2

d^2=2^2+2^2

d^2=4+4

d^2=2*4

d=√(2*4)

d=2√2 mi  (exact)

d≈2.83 mi  (to nearest hundredth of a mile)
5 0
3 years ago
Need a quick answer please
Zanzabum

Answer:

8 fits the equation

Step-by-step explanation:

hope this helps

4 0
3 years ago
Find the slope of the line 4x-8y=15
Arisa [49]

Answer:

-1 \frac{7}{8}

Step-by-step explanation:

4x-8y=15

4x-8y-4x=15-4x

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slope is -1 7/8

4 0
3 years ago
Write an equation in the slope-intercept form for the line with slope - 3/2 and y-intercept 6
Musya8 [376]

Answer:

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Step-by-step explanation:

Slope-Intercept Form: y = mx + b

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Y-Intercept: 6

y = -\frac{3}{2} +6

4 0
3 years ago
What is the expanded form of .368?
schepotkina [342]
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You would break each number's place value down and add them in a line, in decimals, you would do the exact same.
5 0
3 years ago
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