2 years ago

ANSWER QUICK I HAVE NOT ENOUGH TIME PLEASE IT IS DUE NOW

Mathematics

2 answers:

Norma-Jean [14]2 years ago

7 0

Answer:

Step-by-step explanation:

pickupchik [31]2 years ago

3 0

10 because is just have way down and also the energy is not changing to different type of energy so it would stay the same energy type !

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Find the distance between<br> 2-3i<br> And<br> 9+21i

Goryan [66]

2 - 3i is just another of writing (2, -3) in the cartesian plane, the 2-3i however is using the "imaginary axis" for the imaginary plane, is all however the imaginary axis is simply the equivalent of the y-axis. Likewise 9+21i is just (9,21), so let's just use the distance formula.

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{2}~,~\stackrel{y_1}{-3})\qquad (\stackrel{x_2}{9}~,~\stackrel{y_2}{21})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[9-2]^2+[21-(-3)]^2}\implies d=\sqrt{(9-2)^2+(21+3)^2} \\\\\\ d=\sqrt{7^2+24^2}\implies d=\sqrt{49+576}\implies d=\sqrt{625}\implies d=25$