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Mathematics 15 Online
OpenStudy (anonymous):

plz help cheack my answers i will medal and fan http://uploadpie.com/CufyI

ganeshie8 (ganeshie8):

Correct!

OpenStudy (anonymous):

@ganeshie8 @Here_to_Help15 @peachpi @pooja195 @Science_ALLY

OpenStudy (anonymous):

tanks

OpenStudy (anonymous):

can you help with more?

ganeshie8 (ganeshie8):

wil try..

OpenStudy (anonymous):

http://uploadpie.com/EOsks

OpenStudy (anonymous):

Use the pythagorean theorem to find x

OpenStudy (anonymous):

i still have 5 is it wrong :(

OpenStudy (anonymous):

8.1 ?

OpenStudy (anonymous):

Well if we have \[4^{2}+5^{2}=9^{2}\] then that will give us 16 + 25 = 81 \[41\neq81\]

OpenStudy (anonymous):

Yeah I got 8.1 too

OpenStudy (anonymous):

kk thanks

OpenStudy (anonymous):

can you help with one last one?

OpenStudy (anonymous):

I can certainly try

OpenStudy (anonymous):

http://uploadpie.com/MKbpa

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

In order for it to be a right triangle, the formula would be \[a^{2}+b ^{2}=c ^{2}\] So lets try out the first one. 7^2 + 9^2 = 13^2 that gives us, 49 + 81 = 169. Is that equal?

OpenStudy (anonymous):

no?

OpenStudy (anonymous):

Nope. Try out another one

OpenStudy (anonymous):

Any guesses?

OpenStudy (anonymous):

yea b

OpenStudy (anonymous):

\[5^{2}+12^{2}=17^{2}\] This simplifies to 25 + 144 = 289. Is that equal?

OpenStudy (anonymous):

yea?

OpenStudy (anonymous):

waiiiit no

OpenStudy (anonymous):

Im sorry I did that wrong. *=14^2 which equals 196. 25 +144 = 169, so no they are not equal

OpenStudy (anonymous):

lol ik :D

OpenStudy (anonymous):

So its either C or D. Do you think you can figure out which one?

OpenStudy (anonymous):

D!!!!

OpenStudy (anonymous):

Lets try it out!! \[9^{2}+12^{2}=14^{2}\] So, that simplifies tooo 81 + 144 = 196. Is tha equal?

OpenStudy (anonymous):

noyo ::(

OpenStudy (anonymous):

I guess that just leaves us with C! Shall we? \[8^{2}+15^{2}=17^{2}\] so that gives us 64+225 = 289. Is that equal??

OpenStudy (anonymous):

yes!!!!!

OpenStudy (anonymous):

:)) the correct answer is C

OpenStudy (anonymous):

thank you sooo much i dont know how to thank you !!!!

OpenStudy (anonymous):

No problem at all! Happy to help :)

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