Question

.'.'.' will give medal '.'.'.
find z.

Answer 1

whts the equation

Answer 2

im getting z=10.1

Answer 3

how

Answer 4

how did u do it

Answer 5

okay

Answer 6

how did u get 11.3

Answer 7

\[y^2=8.2^2+7.8^2\]
\[y=\sqrt{8.2^2+7.8^2}\]
\[y=11.3\]

Answer 8

okay

Answer 9

how did u get z = 10.1

Answer 10

\[5^2+z^2=11.3^2\]
\[z^2=11.3^3-5^2\]
\[z=\sqrt{11.3^2-5^2}\]
\[z=10.1\]

Answer 11

is this right?

Answer 12

did u check your answer

Answer 13

yup

Answer 14

its not from book its from website

Answer 15

is there answer given in the website

Answer 16

they r saying that my answer is wrong

Answer 17

no

Answer 18

lol

Answer 19

8.2**2+7.8**2-5**2=103**2=10.15 z=10.15
using a bit of a variation of pathagirum theorem

Answer 20

can be

Answer 21

8.2**2+7.8**2=60.84**2=7.8 y=7.8

Answer 22

i dont understand

Answer 23

Your method is correct and the answer is too. z = 10.15. Since all the values given have two significant digits try entering 10 as the answer.

Answer 24

oh oookkkkk thanks