Question

What is the length of stack B C with bar on top ? Round to the nearest tenth of a unit.



A.
3.5 units

B.
4.9 units

C.
8.6 units

D.
15.0 units

Answer 1

http://static.k12.com/calms_media/media/1578000_1578500/1578497/1/2e3205b3a461978c9643dbe7f49cbda43956f25f/MS_IMC-150122-130501.jpg

Answer 2

Use the distance formula.

\(\sf d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}\)

(1, 6), (8, 1)
x1 y1 x2 y2

Plug in the numbers and simplify.

Answer 3

ok give me a second to figure it out please ^_^

Answer 4

\[d= \sqrt{(8-1)}^{2} + \sqrt{(1-6)}^{2}\]

Answer 5

what do i do with the 2's?

Answer 6

does it go like this....... \[d= \sqrt{7^{2}} + \sqrt{-5^{2}}\]

Answer 7

?

Answer 8

@iGreen

Answer 9

Is the answer 74?

Answer 10

@perl @dan815

Answer 11

No, you have to find the square root of 74. @TeenWolfGirl

Answer 12

C. 8.6 ?

Answer 13

@iGreen

Answer 14

Correct.

Answer 15

Thanks

Answer 16

was it right @TeenWolfGirl ?