Mean is the average, so you add up all of the top numbers, and divide them by how many numbers there are in the top row. 1+2+3+4+5+6= 21 and 21/6= 3.5.
The mean is 3.5
9514 1404 393
Answer:
a. Library card
Step-by-step explanation:
A bank is most comfortable with a government-issued picture ID. A library card usually will not provide any assurance that you are who you say you are.
It is the last choice or #3 or a C.
Step-by-step explanation:
The answer will be zero
here are the steps:
cos(90-10)xcos(90-80)-sin(90-10)xsin(90-10)=
(cos10xcos10)-(sin80xsin80)=
0.965111-0.965111=0
have a good day :)
I hope it will benefit you.
