Cartesian product - Study guides, Revision notes & Summaries

Accuplacer math placement Test 34 Questions with Verified Answers How to divide fractions - CORRECT ANSWER Multiply by the recipricol of the second fraction (ex. 3/4 5/7 is rewritten as 3/4 x 7/5) How to add or subtract decimals - CORRECT ANSWER 1. line up the decimals 2. fill in spaces with zeros 3. bring decimal STRAIGHT DOWN 4. Add using correct place value How to divide decimals - CORRECT ANSWER • If number you're dividing by is a decimal, then divide as usual and bring decimal p...

What is the notation for subset? ⊆ A collection of objects is known as a set What is the notation for integers? ℤ What is the notation for element? ∈ What is the notation for set-roster? { } Write the set-builder notation for, "Numbers whose square roots are an integer" { x | √x ∈ ℤ} Write the set-builder notation for "the set of all x's, such that x is greater than 0" { x | x > 0} T/F: Order matters in ordered pair...

WGU C959 - Discrete Math Questions and Answers Rated A+ What is the notation for subset? ⊆ A collection of objects is known as a set What is the notation for integers? ℤ What is the notation for element? ∈ What is the notation for set-roster? { } Write the set-builder notation for, "Numbers whose square roots are an integer" { x | √x ∈ ℤ} Write the set-builder notation for "the set of all x's, such that x is greater than 0" { x | x > 0} T/F: Order matters in ordered p...

CLEP College Math Questions and Answers Graded A+ Carl deposited P dollars into a savings account that earned 8 percent annual interest, compounded semiannually. Carl made no additional deposits to or withdrawals from the account. After one year, the account had a total value of $10,816. What was the value of P? 10,000 Triangle DEF (not shown) is similar to ABC shown, with angle B congruent to angle E and angle C congruent to angle F. The length of side DE is 6 cm. If the area of ABC is 5 squa...

Discrete Math 1 WGU Questions and Answers Already Passed What is the definition of a set in discrete mathematics? A set is a collection of distinct objects, considered as an object in its own right. Is the empty set a subset of all sets? True What does the Cartesian product of two sets represent? The Cartesian product represents all ordered pairs where the first element comes from one set and the second element from another set. What is the principle of mathematical inductio...

1. The product of two tables is also called the ___ product. a. Cartilage b. Cathode c. Cartesian d. Cardigan correct answers c. Cartesian 2. Which command will grant SELECT rights to user Franklin for Rep table? a. GRANT SELECT ON Rep; b. GRANT SELECT ON Rep TO FRANKLIN; c. GRANT ON Rep TO FRANKLIN; d. GRANT SELECT ON FRANKLIN; correct answers b. GRANT SELECT ON Rep TO FRANKLIN; 3. To use the AND criterion, place the criteria on the ___ criteria row in the design grid. a. tow a...

TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Each question carries 2 marks. Choose the correct or best alternative in the following: Q.1 In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (B) Non- Procedural language. (C) Data definition language. (D) High level language. Ans: B ...

In a relational model, _______ are also used to establish relationships among tables and to ensure the integrity of the data. o :## keys A _____ key can be described as a minimal superkey, a superkey without any unnecessary attributes. o :## candidate A _____ key is defined as a key that is used strictly for data retrieval purposes. o :## secondary _____ logic, used extensively in mathematics, provides a framework in which an assertion (statement of fact) can be verified as either ...

WGU C170 Study Guide (New 2024/ 2025Update) Data Management Applications Exam| 100% Correct| Grade A QUESTION predicate logic: Used extensively in mathematics to provide a framework in which an assertion (statement of fact) can be verified as either true or false. QUESTION primary key (PK) Answer: In the relational model, an identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. See ...

Data Management Foundation C175 WGU Latest Version 100% Pass Associative Entity An associative entity is an element of the entity-relationship model. All relationships for the associative entity should be many. Attribute An attribute is a property or characteristic of an entity. Binary relationship A binary relationship is a relationship between two entity types. Candidate Key Is any column or a combination of columns that can qualify as unique key in database. Cardinality Cardinality re...