Find the mean of the data set \{4.5, 5, 3.5, 2, 2.5\}{4.5,5,3.5,2,2.5}left brace, 4, point, 5, comma, 5, comma, 3, point, 5, com
loris [4]
Answer:
The mean of the given data set is 5.5
Step-by-step explanation:
We are given the following data in the question:
4.5,5,3.5,2,2.5
Formula:
Putting values, we get,
Thus, the mean of the given data set is 5.5
Hey there!
To start, first let the variable, x, represent your first unknown number. Now, because the second number is 5 times the first, this will be represented as 5x (you simply multiply 5 to your variable of the first number, x).
Now, since the sum of the two numbers are 42, you can represent this by setting up this equation:
5x+x=42
Combine your like terms (terms of the same variable and are raised to the same power):
5x+x=42
6x=42
Divide both sides by 6 to solve for x:
6x/6=42/6
x=7
Because x represents the first number, your first number would be 7.
Now, since the second number is 5 times the first, you can find the second number by multiplying x by 5:
x=7
7*5=35
Your second number is 35.
To check if both numbers are correct, you can add your first number, 7 to your second number, 35, to see if you get 42 since you know their sum must be 42:
7+35=42
Therefore, your final answer would be that the first number is 7, and the second number is 35.
Hope this helps, and have a marvelous day! :)
Answer:
Step-by-step explanation:
option c is correct
if u change the divide sign into multiplication then always do its reciprocal.
Answer:
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Step-by-step explanation:
Answer:
11
Step-by-step explanation:
2(l+w)
40= 2(9+x)
40= 18+2x
Subtract 18 from 40
22=2x
Divide 2x by itself and 22
11=x or x=11
