Posted by **peter** on Thursday, December 19, 2013 at 11:19am.

If # (a,b,c,d) means you take the positive value of the square root of each term, then add the resulting values, and # (a,36,16,9)=15, then a = ?

please explain

- math -
**Reiny**, Thursday, December 19, 2013 at 11:44am
How about you giving this one a try ?

Just follow the steps they told you to take,

let me know what you get, and how you got it.

- math -
**peter**, Thursday, December 19, 2013 at 12:06pm
square root(a+36+16+9)=15

- math -
**peter**, Thursday, December 19, 2013 at 12:08pm
I don't know how to translate word to math

- math -
**Reiny**, Thursday, December 19, 2013 at 12:10pm
No, you did not follow the instructions,

it says ...

take the square root of each number , THEN add them up, so

√a + √36 + √ 16 + √9 = 15

√a + 6 + 4 + 3 = 15

√a = 2

a = 4

- math -
**peter**, Thursday, December 19, 2013 at 12:13pm
ok, I understand now , thank you

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