That both (along with the mean) help the data be described the data's spread, which can be the slope if only two points.
Do (10 x 10) then (10 x 20), and then add your two answers together.
Its simple :)
Answer:
3.22580645161
Step-by-step explanation:
Since there is two negative signs in the original equation, you need two negative signs in the equivalent one as well.
Because one of the negatives if before the fraction, it doesn't matter if the second negative is on the 13 or on the 12.
The answer is A.
Answer:
x = 80°
Step-by-step explanation:
The full angle of the straight line is 180°. We already have 100°, so we need to find out what is left over for x
180 - 100 = 80
So the angle of x is 80°