Answer:
20
Step-by-step explanation:
To find the mean, add up all the numbers in the data set, and then divide by the number of terms in the data set
<em>Add </em>
Add up the numbers in the data set
17+24+26+13
80
<em>Divide </em>
Divide by the number of terms in the data set
In this case, there are 4 terms (17, 24, 26, 13)
80/4=20
The mean of the data set is 20
Answer:
Step-by-step explanation:
Two angles are supplementary when they add up to 180°.
So we know that:
Supplanting we get:
We add up the X's.
Then we send 64 to the other side adding:
And then the 8 goes dividing:
Answer:
well by looking at it , it would be for a.
Answer:
D
Step-by-step explanation:
1:55 is lower that 125 minutes