I need help please it so confusing can somebody anyone

Ответ:

idenneymarie

16.03.2022

$a=\sqrt{63}$

Step-by-step explanation:

When we solve for this we should always remember this formula a^2+b^2=c^2 and since we already know b and c we can plug that in tho find out what a could be but we won't actually solve it.

$a^2+b^2=c^2\\a^2+9^2=12^2\\a^2+81=144\\a^2=63\\\sqrt{a^2}=\sqrt{63}$

So a would equal whatever the square root of 63 is.

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Ответ:

fernn2133

08.01.2020

Mathematics

You want us to figure out what 763,400 would be if it was rounded

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I need help please it so confusing can somebody anyone break it down

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