Question

Help! Will Metal!

What is the exact value of the expression the square root 72. - the square root of 8. + the square root of 128.? Simplify if possible.

8the square root of 2.
12the square root of 2.
8the square root of 3.
12the square root of 3.

@ganeshie8 @SolomonZelman @TuringTest @iambatman @igreen @mathsolver @paki @uri @sammixboo @AnswerMyQuestions @adrynicoleb

Answer 1

d

Answer 2

@nateisboss Explain?

Answer 3

no

Answer 4

@nateisboss you can't just give me an answer with no explanation.

Answer 5

LOL

Answer 6

i just did lol

Answer 7

Hilarious.

Answer 8

Really @nateisboss http://openstudy.com/code-of-conduct

Answer 9

Ok, first, what is the square root of 72? @AleshGames

Answer 10

oh so your one of those guys huh?

Answer 11

8.4?

Answer 12

no

Answer 13

Something around that. About 8.5

Answer 14

What's the square root of 8?

Answer 15

2.8

Answer 16

And the square root of 128?

Answer 17

11.3

Answer 18

So first, subtract 8.5 - 2.8.

Answer 19

5.7

Answer 20

Add that to 11.3.

Answer 21

17

Answer 22

Yup.

Answer 23

But I don't understand your choices...

Answer 24

:(

Answer 25

Can you attach them or post them?

Answer 26

?

Answer 27

Just write your choices down here.

Answer 28

8the square root of 2.

Answer 29

12the square root of 2.

Answer 30

8the square root of 3.

Answer 31

12the square root of 3. @AnswerMyQuestions

Answer 32

72 = 6 sqrt of 2

Answer 33

8 = 2 sqrt of 2

Answer 34

128 = 8 sqrt 2

Answer 35

well i got it

Answer 36

B

Answer 37

You got your answer?

Answer 38

Ok. Great.

Answer 39

yep