6xy^2 - xy + 8 + 12y is a polynomial of degree 3
Answer:
-3
Step-by-step explanation:
To find the average of different numbers, first you add them all up. So -5+-7+-2+2+-3+=-15. Then, you divide the sum of all the numbers by the amount of numbers there were. So in this case, there were 5 numbers so we would divide the sum of all of them by 5. So now we do -15/5=-3.
Another example of finding the average of numbers is 15+4+10+9+3+1. So first we add them up and we get 42, then again, we divide by the amount of numbers there are. So we do 40/6 and we get 7, so the average is 7.
I hope this helped.
Answer:
Step-by-step explanation:
given system :
y=-2x+6 ........(1)
3y-x+3=23.........(2)
Substitute y = -2x+6 into (2) and solve for x :
3( -2x+6) - x +3 = 23
- 6x +18 - x +3 =23
- 7x = 2
x =- 2/7
Substitute : x into (1) : y = -2 (-2/7)+6 = 46/7
Okay the answer is 69 because 81-2 is 69
2 1
Simplify x ------- first, the answer should be x -------
3 4 1.5
After that multiply that to x------
3
Like so. . . .
1 4 8
x------- * x------- my answer added up to 0.88 or 1 if you were to round up 0._
1.5 3
Since its 5 or higher you round up so I got 1 whole.
If it's doesn't add up to you I'm sorry.