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Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
Publisher: Cengage Learning
ISBN: 9781305965584
BuyFind

Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
Publisher: Cengage Learning
ISBN: 9781305965584

Solutions

Chapter 1.3, Problem 49ES
Textbook Problem
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The Four 4s Problem The object at this exercise is to create mathematical expressions that use exactly four 4s and that simplify to a counting number from 1 to 20, inclusive. You are allowed to use the following mathematical symbols: + , , × , ÷ , , ( , a n d ) . For example,

4 4 + 4 4 = 2 , 4 ( 4 4 ) + 4 = 5

4 4 + 4 × 4 = 18

Expert Solution
To determine

To create:

Mathematical expressions that use exactly four 4s whose simplification gives number from 1 to 20.

Explanation of Solution

Given information:

Mathematical symbols which are allowed to use are: +,,×,÷,,(,and).

Expressions:

4×44+4=6

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Chapter 1 Solutions

Mathematical Excursions (MindTap Course List)
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Ch. 1.1 - Use inductive reasoning to predict the next number...Ch. 1.1 - Use inductive reasoning to predict the next number...Ch. 1.1 - Use inductive reasoning to predict the next number...Ch. 1.1 - Use inductive reasoning to predict the next number...Ch. 1.1 - Use inductive reasoning to predict the next number...Ch. 1.1 - Use inductive reasoning to predict the next number...Ch. 1.1 - Use inductive reasoning to decide whether each...Ch. 1.1 - Use inductive reasoning to decide whether each...Ch. 1.1 - Use inductive reasoning to decide whether each...Ch. 1.1 - Use inductive reasoning to decide whether each...Ch. 1.1 - Use inductive reasoning to decide whether each...Ch. 1.1 - Use inductive reasoning to decide whether each...Ch. 1.1 - Determine the distance a ball rolls, on inclined...Ch. 1.1 - Determine the distance a ball rolls, on inclined...Ch. 1.1 - For inclined plane 1, the distance a ball rolls in...Ch. 1.1 - For inclined plane 2, the distance a ball rolls in...Ch. 1.1 - Use inductive reasoning and the data in the...Ch. 1.1 - Use inductive reasoning and the data in the...Ch. 1.1 - Use inductive reasoning and the data in the...Ch. 1.1 - Use inductive reasoning and the data in the...Ch. 1.1 - Determine whether the argument is an example of...Ch. 1.1 - Determine whether the argument is an example of...Ch. 1.1 - Determine whether the argument is an example of...Ch. 1.1 - Determine whether the argument is an example of...Ch. 1.1 - Determine whether the argument is an example of...Ch. 1.1 - Determine whether the argument is an example of...Ch. 1.1 - Determine whether the argument is an example of...Ch. 1.1 - Determine whether the argument is an example of...Ch. 1.1 - Find a number that provides a counterexample to...Ch. 1.1 - Find a number that provides a counterexample to...Ch. 1.1 - Find a number that provides a counterexample to...Ch. 1.1 - Find a number that provides a counterexample to...Ch. 1.1 - Find a number that provides a counterexample to...Ch. 1.1 - Find a number that provides a counterexample to...Ch. 1.1 - Find a pair of numbers that provides a...Ch. 1.1 - Find a pair of numbers that provides a...Ch. 1.1 - Use deductive reasoning to determine the missing...Ch. 1.1 - Use deductive reasoning to determine the missing...Ch. 1.1 - Use deductive reasoning to show that the following...Ch. 1.1 - Use deductive reasoning to show that the following...Ch. 1.1 - Stocks Each of four siblings (Anita, Tony, Maria...Ch. 1.1 - Gourmet Chefs The Changs, Steinbergs, Ontkeans,...Ch. 1.1 - Collectibles The cities of Atlanta, Chicago,...Ch. 1.1 - Map Coloring The following map shows eight states...Ch. 1.1 - Driving Time You need to buy groceries at the...Ch. 1.1 - Driving Time Suppose, that you need to go to the...Ch. 1.1 - Use inductive reasoning to predict the next letter...Ch. 1.1 - Use inductive reasoning to predict the next symbol...Ch. 1.1 - Counterexamples Find a counterexample to prove...Ch. 1.1 - The Monty Hall Problem Redux You can use the...Ch. 1.2 - Extend Figure 1.1 above by constructing drawings...Ch. 1.2 - The figure below shows that the fourth triangular...Ch. 1.2 - Construct a drawing of the fourth hexagonal...Ch. 1.2 - Construct a difference table to predict the next...Ch. 1.2 - Construct a difference table to predict the next...Ch. 1.2 - Construct a difference table to predict the next...Ch. 1.2 - Construct a difference table to predict the next...Ch. 1.2 - Construct a difference table to predict the next...Ch. 1.2 - Construct a difference table to predict the next...Ch. 1.2 - Use the given nth-term formula to compute the...Ch. 1.2 - Use the given nth-term formula to compute the...Ch. 1.2 - Use the given nth-term formula to compute the...Ch. 1.2 - Use the given nth-term formula to compute the...Ch. 1.2 - Determine the nth-term formula for the number of...Ch. 1.2 - Determine the nth-term formula for the number of...Ch. 1.2 - Determine the nth-term formula for the number of...Ch. 1.2 - Determine the nth-term formula for the number of...Ch. 1.2 - Cannonballs can be stacked to form a pyramid with...Ch. 1.2 - Cannonballs can be stacked to form a pyramid with...Ch. 1.2 - Pieces vs. Cuts One cut of a stick of licorice...Ch. 1.2 - Pieces vs. Cuts One straight cut across a pizza...Ch. 1.2 - Pieces vs. Cuts One straight cut through a thick...Ch. 1.2 - Fibonacci Properties The Fibonacci sequence has...Ch. 1.2 - Find the third, fourth, and fifth terms of the...Ch. 1.2 - Find the third, fourth, and fifth terms of the...Ch. 1.2 - Binets Formula The following formula is known as...Ch. 1.2 - Binets Formula Simplified Binets formula (see...Ch. 1.2 - A Geometric Model The ancient Greeks often...Ch. 1.2 - The nth-term formula an=n(n1)(n2)(n3)(n4)4321+2n...Ch. 1.2 - Fibonacci Sums Make a conjecture for each of the...Ch. 1.2 - Fibonacci Sums Make a conjecture for each of the...Ch. 1.2 - Pascals Triangle The triangular pattern in the...Ch. 1.2 - A Savings Plan You save a penny on day 1. On each...Ch. 1.2 - A Famous Puzzle The Tower of Hanoi is a puzzle...Ch. 1.2 - Use the recursive definition for Fibonacci numbers...Ch. 1.3 - Use the probability demonstrator, in the left...Ch. 1.3 - Use the probability demonstrator, in the left...Ch. 1.3 - Use the probability demonstrator, in the left...Ch. 1.3 - Use the probability demonstrator, in the left...Ch. 1.3 - Use the probability demonstrator, in the left...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Use Polyas four-step problem-solving strategy and...Ch. 1.3 - Determine the Units Digit Determine the units...Ch. 1.3 - Determine the Units Digit Determine the units...Ch. 1.3 - Determine the Units Digit Determine the units...Ch. 1.3 - Determine the Units Digit Determine the units...Ch. 1.3 - Find Sums Find the following sums without using a...Ch. 1.3 - Explain how you could modify the procedure used by...Ch. 1.3 - Palindromic Numbers A palindromic number is a...Ch. 1.3 - Speed of a Car A car has an odometer reading of...Ch. 1.3 - A Puzzle Three volumes of the series Mathematics:...Ch. 1.3 - Connect the Dots Nine dots are arranged as shown....Ch. 1.3 - Movie Theatre Admissions The following bar graph...Ch. 1.3 - Box Office Revenues The following broken-line...Ch. 1.3 - Movie Ratings and Box Office Revenue The following...Ch. 1.3 - Votes in an Election In a school election one...Ch. 1.3 - Floor Design A square floor is tiled with...Ch. 1.3 - Number of Children How many children are there in...Ch. 1.3 - Brothers and Sisters I have two more sisters than...Ch. 1.3 - A Coin Problem If you take 22 pennies from a pile...Ch. 1.3 - Bacterial Growth The bacteria in a petri dish grow...Ch. 1.3 - Number of River Crossings Four people on one side...Ch. 1.3 - Examination Scores On three examinations, Dana...Ch. 1.3 - Puzzle from a Movie In the movie Die Hard: With a...Ch. 1.3 - Find the Fake Coin You have eight coins. They all...Ch. 1.3 - Problems from the Mensa Workout Mensa is a society...Ch. 1.3 - Problems from the Mensa Workout Mensa is a society...Ch. 1.3 - Problems from the Mensa Workout Mensa is a society...Ch. 1.3 - Problems from the Mensa Workout Mensa is a society...Ch. 1.3 - Compare Exponential Expressions a. 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