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OpenStudy (anonymous):

here's another im a little confused at this one

OpenStudy (anonymous):

OpenStudy (anonymous):

@Lyrae

OpenStudy (lyrae):

Like we did in the first question! Remeber the distance formula?

OpenStudy (anonymous):

ok i'll try it again

OpenStudy (anonymous):

i got sq rt of 20 which is 4.47

OpenStudy (lyrae):

Yeah, can you simply \[\sqrt{20} ? \]

OpenStudy (anonymous):

oh 5?

OpenStudy (lyrae):

5?

OpenStudy (anonymous):

hmmm

OpenStudy (anonymous):

sq rt of 5 is 2.23

OpenStudy (lyrae):

You know that \[\sqrt{ab} = \sqrt{a} \sqrt{b}\]So if you turn 20 into it's prime factors maby you'll find something usefull...

OpenStudy (anonymous):

and here are my answer choices: 2 to the sqrt of 1, 2 to the sqrt of 5, 2 to the squareroot of 7, or 2 to the sqrt of 3

OpenStudy (anonymous):

sqrt of 5 and sqrt of 4?

OpenStudy (lyrae):

Yes, and what's sqrt 4?

OpenStudy (anonymous):

2

OpenStudy (lyrae):

And the final answer??

OpenStudy (anonymous):

2 to the sq rt of 5

OpenStudy (lyrae):

yep!

OpenStudy (lyrae):

Or rather two times the sqrt of 5

OpenStudy (anonymous):

thxx again 4 yur help!

OpenStudy (lyrae):

Yw :)

OpenStudy (anonymous):

how would I find the coordinates of the midpoint using the info i already know?

OpenStudy (lyrae):

Using the same points?

OpenStudy (anonymous):

yep

OpenStudy (lyrae):

Midpoint formula!

OpenStudy (anonymous):

did we go over this?

OpenStudy (lyrae):

Yeah, it's the exact same question like the secont one, but with different points.

OpenStudy (anonymous):

ohhh ok thks!

OpenStudy (lyrae):

np

OpenStudy (anonymous):

wow how did i 4get this

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