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Mathematics 19 Online
OpenStudy (anonymous):

LIL HELP PLZZ MEDAL AND FAN

OpenStudy (anonymous):

@iGreen

OpenStudy (igreen):

Use the Pythagorean Theorem.

OpenStudy (igreen):

\(\sf a^2 + b^2 = c^2\) Where 'a' and 'b' are the two legs and 'c' is the hypotenuse. Plug in what we know: \(\sf a^2 + 7^2 = 25^2\) Solve for 'a'

OpenStudy (igreen):

7^2 = ? 25^2 = ?

OpenStudy (anonymous):

18?

OpenStudy (igreen):

No..can you simplify 7^2 and 25^2?

OpenStudy (anonymous):

i don't have a calculator

OpenStudy (igreen):

Then get one..?

OpenStudy (igreen):

You can use Google.

OpenStudy (igreen):

Just put 7^2 and 25^2 into Google..tell me what you get.

OpenStudy (anonymous):

674

OpenStudy (igreen):

Check again

OpenStudy (anonymous):

7^2= 49 25^2 = 625 ?

OpenStudy (igreen):

Yes, so we have: a^2 + 49 = 625 Subtract 49 to both sides, 625 - 49 = ?

OpenStudy (anonymous):

576

OpenStudy (igreen):

Yes, now we have: a^2 = 576 Find the square root of 576

OpenStudy (anonymous):

288

OpenStudy (igreen):

Try again

OpenStudy (anonymous):

lil help

OpenStudy (igreen):

Plug in 'sqrt 576' into google.

OpenStudy (igreen):

What did you get?

OpenStudy (anonymous):

24

OpenStudy (igreen):

Yes, that's our answer.

OpenStudy (anonymous):

thank u

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