Since theres 4 numbers and 60 spins if you divide it you get the average number that all the numbers would land on. 2 would be landed on 15 times if it went exactly to the calculations. not 100% sure though
Ok, so they are all balanced, so each side of the scale thing is equal to the other side.
A. 3 + x = 8
If we subtract 3 from 8, what’s left is 5 for x
x = 5
B. 2y = 12
Both y weights are equal, so dividing 12 by 2 says each y weight is 6.
y = 6
C. 4z = 11
All z weights are equal, so divide 11 by 4 to find the weight of z
z = 2.75
D. 3 4/5 + w = 13 4/5
Subtract 3 4/5 from 13 4/5 to find the weight of w
w = 10
Let me know if you have questions about this.
Answer:
m = 8
Step-by-step explanation:
5(m+5)=7m+9 (distribute & evaluate parenthesis)
5(m)+5(5)=7m+9
5m + 25 = 7m + 9 (move all m-terms to one side and constants to the other)
5m - 7m = 9 - 25 (evaluate both sides)
-2m = -16 (divide both sides by -2)
m = (-16) / ( -2) = 8
Answer:
65 sq ft
Step-by-step explanation:
SA(sq pyr) = area of base + 1/2(perimeter of base)x(slant height)
SA = 5² + 1/2(10)(8)
SA = 25 + 40
SA = 65
The mean of a sequence of numbers is the average.
The true statement is: 
The given parameters are:
The mean of a dataset is calculated as:
So, we have:
Multiply both sides by m
When the sequence is split into two, we have:
Where:
So, we have:
Hence, the true statement is:
Read more about mean and averages at:
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