The numbers are 80 and 4.
Explanation: 80 + 4 is 84, and if you were to divide those two numbers together, you would get 20, because 20 times 4 is 80. You could check it yourself.
Hope that helps!
Answer:
Step-by-step explanation:
let cos^{-1}x=t
cos t=x
when x=1,cos t=1=cos 0
t \rightarrow 0
Answer:
You add all of the numbers of the set and how many numbers there are.
Here is an example:
The set is: {3, 7, 2, 9, 1}
There are five numbers, 3, 7, 2, 9, and 1. We then add all these numbers.
3 + 7 + 2 + 9 + 1 = 22
22 divided by 5 = 22/5 = 4.4
The average number between the set, "{3, 7, 2, 9, 1}" is 4.4.
Hope This Helps! •v•
Since there are 9 marbles and 2 are black, the number that are 'not black' is 7.
So the odds of picking a 'not black' marble is <u>7</u> , or D
9
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