Mathematics: Which expression represents the difference between (0, a) and point (a, 0) on a coordinate grid?

Which expression represents the difference between

Ответ:

GamerGirl15

29.01.2022

Mathematics

$\sqrt{2}a$

Step-by-step explanation:

Suppose we have two points:

$A = (x_{1}, y_{1})$

$B = (x_{2}, y_{2})$

The distance between these points is:

$D = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}$

In this question:

We have to find the difference between these two points.

(0, a) and (a,0). So

$D = \sqrt{(a - 0)^{2} + (0 - a)^{2}} = \sqrt{a^{2} + a^{2}} = \sqrt{2a^{2}} = \sqrt{a^{2}}\sqrt{2} = \sqrt{2}a$

So the answer is:

$\sqrt{2}a$

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Ответ:

sanchezgirl513

25.11.2020

Mathematics

We know that in a circle there is 360 degrees
so half would be 180 degrees.
therefore (4x - 19) + 127 = 180
now you just solve like a normal equation and get x :)

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Which expression represents the difference between (0, a) and point (a, 0) on a coordinate grid?

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