Answer:
The perimeter is 99
Step-by-step explanation:
you do 11x9=99
Answer:
81.167~
Step-by-step explanation:
You can find the mean (or average) of a set of numbers by adding them together and dividing the sum by the amount of values there are.
In this case, there are 6 values.
The total sum of the six values is 487.
To receive the mean, divide 487 by 6.
Answer:
4) c
6) a, b
7) a
8) b, c
10) I'm not sure but I believe it is C.
Step-by-step explanation:
Answer:
-13, 0.4,7 its the 4th one
Step-by-step explanation:
X - y = 5,
x = 5 + y
substitute (x = 5 + y) into the first equation,
5 + y + 2y = -1
3y = -6
y = -2,
substitute y = -2 into (x - y = 5),
x + 2 = 5
x = 3
Hence, x = 3, y = -2
