Basic mathematics blog

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Recent Articles

  1. Proof that There is no Rational Number Whose Square is 2

    Feb 17, 19 12:04 PM

    There is no rational number whose square is 2. An easy to follow proof by contraction.

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  2. What is Orthographic Drawing

    Feb 16, 19 05:08 PM

    Lesson about orthographic drawing and examples. An orthographic drawing is

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  3. What is the Cavalieri's Principle ?

    Feb 15, 19 12:12 PM

    The cavalieri's principle is a

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  4. Printable Algebra Worksheets with Answers

    Feb 12, 19 07:55 AM

    A wide variety of algebra worksheets that teachers can print and give to students as classwork or homework.

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  5. Military Time Converter ( The 24 Hour Clock! )

    Feb 08, 19 02:35 PM

    This is the best military time converter online. Convert from standard time to military time and from military time to standard time.

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  6. How to Find the Radius of a Circle when Circumference is Given

    Feb 05, 19 11:28 AM

    Learn how to find the radius of a circle when the circumference of the circle is known or given

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  7. Free Printable Geometry Worksheets

    Feb 04, 19 03:16 PM

    A wide variety of geometry worksheets that teachers can give to students as classwork or homework.

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  8. How much money Ana has all together?

    Feb 04, 19 12:01 PM

    Ana found a 15 dollar bill on the floor on Saturday. Then on Sunday her parents gave her 155 dollars. How much does Ana have all together? CLUE: Saturday~15

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  9. A test word problem

    Feb 03, 19 05:16 PM

    A multiple-choice test contains 25 questions. Correct answers are worth 4 points each; 2 points are deducted for each wrong answer; and unanswered questions

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  10. Solve a simple system with five equations

    Feb 03, 19 05:12 PM

    The sum of four numbers a, b, c, and d is 68. If we increase a by 7, we get x. If we increased b by 8, we get x. If we decrease c by 15, we get 2x.If we

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  11. Pizza and Fraction

    Feb 03, 19 05:06 PM

    3 friends share 4/5 of a pizza. what fraction of pizza does each person get? The amount to share is 4/5 Since the amount will be shared between 3 friends,

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  12. A Tricky Percentage Math Problem

    Feb 03, 19 04:56 PM

    If someone wants to make $10.00 when selling an item and I get 40%. How much do I need to add to $10.00? It's not coming out when I add 40% to 10.00.

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  13. Advanced Algebra for High School Math and College Math

    Feb 03, 19 11:45 AM

    Learn advanced algebra online. Topics include exponential and logarithmic functions, algebra proofs, tough algebra word problems

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  14. A subtraction word problem with apples

    Feb 01, 19 04:03 PM

    Karla brings 15 apples to school. She gives away 9 apples. How many apples does Karla have left? Karla will have 15 - 9 apples = 6 apples Karla has

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  15. Children and the Apples Word Problem

    Feb 01, 19 03:50 PM

    Once upon a time, there was a family of children. The oldest of these children was in charge of making sure that each of the other children did what

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  16. Solve a system of linear equations to find the cost of a cd

    Jan 31, 19 05:05 PM

    Andrew had $93.00. With this money, he could buy 3 CDs and 4 books. However, he bought only 2 CDs and 3 books and had $27.00 left. What was the cost

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  17. How to Find the Cost to Rent Bikes

    Jan 31, 19 04:59 PM

    The cost to rent a bike for 1 person under age five is 3£ and 5.50£ for anybody over age five. Calculate the cost to rent 7 bikes if 4 people are under

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  18. Solving a Hot Dog Word Problem with a Linear Equation

    Jan 31, 19 04:37 PM

    Shawn was training for a hot dog contest. He trained for 6 days and each day he ate 4 more hot dogs. At the end of 6 days he had ate 150 hot dogs. How

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  19. Solving a system of linear equations when the lines are parallel

    Jan 31, 19 04:30 PM

    Find the value of k so that the two given lines will be parallel. 3X-KY=7 2X+5Y=-1 First, put the two equations in standard form 3X - KY = 7 3X - 7

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  20. Solving an Age Problem with a System of Linear Equations

    Jan 31, 19 03:51 PM

    The sum of Mira and Shaheena is 40 years. After 10 years Mia will be twice as old as Shaheena. What is Mia's age. What is Shaheena's age? Solution

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  21. Hourly to Salary Calculator - Convert Hourly Wage to a Salary

    Jan 22, 19 08:11 PM

    Hourly to salary calculator- Convert your income to a yearly salary or a monthly salary

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  22. Overtime Calculator - How much for Time and a Half or Double rate ?

    Jan 18, 19 10:53 AM

    This overtime calculator will help you figure out how much money earned for working overtime

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  23. Convert Square Feet to Acres Calculator

    Jan 14, 19 09:22 AM

    Convert square feet to acres and acres to square feet with this conversion calculator

    Read More

  24. Convert Kilograms to Tons calculator

    Jan 13, 19 03:47 PM

    Convert kilograms to tons and tons to kilograms with this conversion calculator

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  25. How to Convert Square Feet to Acres

    Dec 14, 18 04:05 PM

    Here is how to convert square feet to acres - To convert square feet to ...

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  26. Modeling Multiplication

    Nov 15, 18 05:01 PM

    Modeling multiplication with number counters - Learning multiplication is fun!

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  27. Properties of Congruence

    Nov 09, 18 09:40 AM

    Learn the three properties of congruence. Examples to illustrate which property.

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  28. Compound Interest Word Problems and Solutions

    Nov 07, 18 02:38 PM

    Practice with these well chosen compound interest word problems

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  29. Compound Interest Formula- Explained

    Nov 06, 18 02:37 PM

    What is the compound interest formula? Which one is the principal?

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  30. How to Write an Inequality

    Oct 29, 18 02:26 PM

    Learn how to write an inequality quickly with this easy to follow math lesson.

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  31. Optical Illusions with Geometry

    Oct 22, 18 04:14 PM

    Take a good look at these optical illusions with geometry

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  32. Why the Rule of 72 Works

    Oct 15, 18 11:05 AM

    why the rule of 72 works- math explanation of where the 72 came from.

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  33. Rule of 72 definition

    Oct 10, 18 08:36 AM

    What is the rule of 72 ? Find out how you can use it to solve compound interest problems fast

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  34. Multiplication of Binomials Geometrically - Area models

    Oct 08, 18 08:47 AM

    The objective of this lesson is to examine the multiplication of binomials geometrically

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  35. Heart of Algebra : Key questions for the SAT math

    Sep 01, 18 04:07 PM

    These heart of algebra questions will help you prepare to take the math portion of the SAT

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  36. How to Solve Logarithmic Equations

    Jul 06, 18 12:29 PM

    Learn how to solve two types of logarithmic equations

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  37. Area Between Four Touching Circles

    Jun 27, 18 09:24 AM

    What is the area between four touching circles? How do I find it?

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  38. How to Solve Exponential Equations

    Jun 20, 18 04:10 PM

    Learn how to solve exponential equations quickly with this lesson that is easy to understand

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  39. Expanding Logarithms

    Jun 14, 18 09:55 AM

    Expanding logarithms made easy with this easy to follow lesson

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  40. How to Simplify Logarithms

    Jun 11, 18 02:27 PM

    Learn how to simplify logarithms with this easy to follow lesson

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  41. Properties of Logarithms

    Jun 08, 18 12:03 PM

    We help you see properties of logarithms clearly and fast using a table

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  42. How to Evaluate Logarithms

    Jun 04, 18 01:15 PM

    Learn quickly how to evaluate logarithms with this easy to follow math lesson

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  43. Exponential and Logarithmic Functions

    May 21, 18 09:24 AM

    Explore exponential and logarithmic functions with these easy to follow math lessons

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  44. What is the Logarithm of a Negative Number?

    May 16, 18 09:09 AM

    What is the logarithm of a negative number or zero? Find a crystal clear explanation here!

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  45. What is a Logarithm?

    May 14, 18 04:36 PM

    what is a logarithm? See the definition of logarithm

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Recent Articles

  1. Proof that There is no Rational Number Whose Square is 2

    Feb 17, 19 12:04 PM

    There is no rational number whose square is 2. An easy to follow proof by contraction.

    Read More

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Tough algebra word problems

Tough Algebra Word Problems.

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Recent Articles

  1. Proof that There is no Rational Number Whose Square is 2

    Feb 17, 19 12:04 PM

    There is no rational number whose square is 2. An easy to follow proof by contraction.

    Read More

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