What is a sigma??? pls need help!!
2 answers:
The greek letter sigma has many meanings and uses in math.
The uppercase form is written as which looks like a fancy or weird looking letter "E". This form indicates we'll be adding a bunch of items. They can be numbers or algebraic expressions.
The lowercase form is written as which looks like a rotated letter "b" in a way. This lowercase form is often used for population standard deviations in statistics.
There are many other uses for this greek letter, so you'll need to provide more context and information to the question.
You might be interested in
Answer:
13 centimeters per day.
Step-by-step explanation:
We have been given that during summer, the water level of the river increased by 78 centimeters in 6 days. We are asked to find the water level increase rate in centimeters per day.
To find the water level increase rate per day, we will divide total increase by total days as:
Therefore, the water level increase rate is 13 centimeters per day.