Perpendicular lines are lines, segments or rays that intersect to form right angles. The symbol ⊥ means is **perpendicular to** .

## What does ⊥ mean in statistics?

**A is independent of B**".

## What symbol is an upside down T in geometry?

**two perpendicular lines**is an upside-down T.

## What does :: mean in math?

**Double colon**. … averaged with … arithmetic mean. 3 :: 11 = 7.

## What does a B mean in math?

A and B in algebra stand for **any variables of real numbers**.

## What is a * in math?

In mathematics, the asterisk symbol * **refers to multiplication**.

## What does € mean in math?

∈ (mathematics) means that **it is an element in the set of**… For eg… x ∈ ℕ denotes that x is within the set of natural numbers. The relation “is an element of”, also called set membership, is denoted by the symbol “∈”. Writing {displaystyle xin A} xin A means that “x is an element of A”.

## What is bot math?

MATH_BOT. **Learn math by programming a robot**. **From counting to calculus**. PLAY NOW. For kids and adults.

## What does ✓ mean in math?

√ **Square Root**

For example, the square root of 4 is 2, because 2 x 2 = 4.

## What does := mean?

In all languages that support an operator := it means assignment. In languages that support an operator := , the = operator usually means **an equality comparison**. In languages where = means assignment, == is typically used for equality comparison.

## What does the U and upside down U mean?

∪ **The symbol ∪ means union**. Given two sets S and T, S ∪ T is used to denote the set {x|x ∈ S or x ∈ T}. For example {1,2,3}∪{3,4,5} = {1,2,3,4,5}. ∩ The symbol ∩ means intersection.

## What does ∩ mean in math?

The **intersection of sets** can be denoted using the symbol ‘∩’. As defined above, the intersection of two sets A and B is the set of all those elements which are common to both A and B. Symbolically, we can represent the intersection of A and B as A ∩ B.

## What does a ∩ B mean in math?

The set A ∩ B—read “A intersection B” or “the intersection of A and B”—is defined as **the set composed of all elements that belong to both A and B**. Thus, the intersection of the two committees in the foregoing example is the set consisting of Blanshard and Hixon.

## What is this Σ?

The symbol Σ (sigma) is **generally used to denote a sum of multiple terms**. This symbol is generally accompanied by an index that varies to encompass all terms that must be considered in the sum.

## What does R * mean in math?

**The set of projective projectively extended real numbers**. Unfortunately, the notation is not standardized, so the set of affinely extended real numbers, denoted here , is also denoted. by some authors.

## What is this θ?

Theta (uppercase Θ, lowercase θ) is **the eighth letter of the Greek alphabet**, derived from the Phoenician letter Teth. In the system of Greek numerals it has a value of 9.

## What is θ in math?

θ theta. **Commonly used as a variable to indicate an**. **angle**.

## What can I do with a bee bot?

Bee-Bots are a wonderful digital technologies resource to introduce students to **coding and computational thinking**. The small robot can remember a sequence of up to 40 commands, directing it to move forwards and backwards in 15 cm increments, and to turn 90 degrees left and right.

## Can you do math in discord?

The focus of the **Mathematical Olympiads Discord server is to share and solve math problems**. While most of its members are people who enjoy advanced math and math competitions, the server is open to people of varying mathematical ability.

## What does 👀 mean in texting?

What does Eyes emoji 👀 mean? The eyes emoji has many uses. It mostly serves to **draw attention to something the user wants to highlight, especially in situations that involve drama and interpersonal tension**. It can also be an emoji representation of shifty eyes or the action of side-eyeing.