Twelve hundred-thousandths is how much greater than twenty millionths
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Answer:
The mean of the data set =
Step-by-step explanation:
Please check the dot plot which is attached below.
As we know that we can determine mean from the dot plot by adding the numbers and then divide the resulting sum by the number of addends.
From the dot plot it is clear that:
- 3 dots appear at 1
- 4 dots appear at 2
- 3 dots appear at 3
- 4 dots appear at 4
- 5 dots appear at 5
- 3 dots appear at 6
So adding all the dots with respect to their values on the plot number by the total number of dots.
Thus
Mean = (1+1+1+2+2+2+2+3+3+3+4+4+4+4+5+5+5+5+5+6+6+6) ÷ 22
Hence, the mean of the data set =
The ratio of the side measures are 6:7:9.
Let's assume length of three sides of the triangle is 6x, 7x and 9x.
Given,perimeter of a triangle is 110 inches.. Perimeter is the sum of all three sides of the triangle. So, we can set up an equation as follows:
6x+7x+9x= 110
22x =110
Dividing each sides by 22.
x=5.
Now we can plug in x=5 in all the expressions of sides.
So, 6x=6(5)=30,
7x=7(5)=35
9x=9(5)=45.
So, the sides of the triangle are 30 inches, 35 inches and 45 inches.