Basic mathematics blog

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Probability Line - Definition and Examples

What is a probability line ? Things that you must know before doing problems ...

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Pythagorean Theorem Worksheet

This Pythagorean theorem worksheet will help you clearly understand the Pythagorean theorem

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Printable Pythagorean Theorem Worksheet

Pythagorean theorem worksheet that can readily be printed

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What is sohcahtoa ? Definition and examples from Basic-mathematics.com

sohcahtoa is a very useful mnemonics to remember the sine ratio, cosine ratio, and the tangent ratio.

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Tangent Table chart of all angles from zero degree to 90 degrees

This tangent table will help you quickly find the tangent of any angle from zero degree to 90 degrees

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Solve the equation for x

(x+13)/y = 9 Multiply both sides of the equation by y y×(x + 13)/y = 9 × y Simplify x + 13 = 9y Minus 13 from both sides of the equation

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Angle in Standard Position - Definition and Examples

What is an angle in standard position ? Angles in standard position are angles that ...

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Inequality and budgeting a party

Terri has a budget of $750 to spend on a party. The cost of renting the room is $200 and she expects 40 people to attend. Which inequality describes

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Painting and fraction

Marlon painted his poultry house using 5/6 liter of green paint and 2/3 liter of yellow paint. What color of paint was used more than the other? How much

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Recipe, brownies and math

A recipe that makes 16 brownies calls for 1/3 nuts. How many nuts are needed to make 24 brownies? Solution If 16 brownies require 1/3 nuts, 8 brownies

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Marble problem and algebra

There are two bags. Each bag contains an unknown number of marbles. If 100 of the marbles in the first bag are placed in the second bag, the number in

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A least common multiple word problem about caring for a lawn

Baxter waters the lawn every 3 days and mows it every 7 days. He both watered and mowed the lawn July 2. When will he next water and mow on the same

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Percents Practice Test

The $580 computer Nancy purchased was on sale for 15% off. How much was deducted from the original price? The amount that was deducted from the original

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Multiplying fractions and total distance

Adam needs to drive a distance of 372 miles to New York to attend a seminar. He stops to grab a quick bite after he covers one third the total distance.

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Mystery 2-digit numbers and systems of linear equations in three variables

2-digit numbers There are three boxes to be added together to get 87. The first box is ten more than the second and the second is ten more than the

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Bank transactions and Algebra

APC bank charges 11 dollars for ATM users who are account holders of local banks. It charges 26 dollars for account holders of international bank. After

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Greatest Integer Function - Definition, Examples, and Graph

Definition of the greatest integer function and graph. The greatest integer function f(x) = [x] is the greatest integer less or equal to x

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How to Calculate or Find the Powers of i

What are the powers of i ? Is there a quick way to find these powers. Yes, there is if you follow these rules ...

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Length of a ladder and the Pythagorean theorem

A ladder is resting against a wall. The top of the ladder touches the wall at a height of 18 ft. Find the length of the ladder if the length is 6 ft more

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Survey and intersection of three sets

In a survey of 400 students of a college it was found that 240 study mathematics, 180 study Statistics and 140 study Accounts, 80 study mathematics and

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Dollar Bills and system of two linear equations

“A student has some $1 bills and $5 bills in his wallet. He has a total of 15 bills that are worth $47. How many of each type of bill does he have? ”

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A combination problem

There are 13 qualified applicants for 4 trainee positions in a fast food management program. How many different groups of trainees can be selected? Here

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How to Find the Absolute Value of a Complex Number

The absolute value of a complex number is its distance from the origin on the complex ...

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Multiplying Complex Numbers

Multiplying complex numbers using the distributive property that is also valid for ...

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Adding Complex Numbers

Adding complex numbers by grouping the imaginary parts and the ...

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Graphing Complex Numbers

Graphing complex numbers on the complex plane is quite straightforward is really that easy!

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What is a Complex Number ? Definition and Examples

Definition of complex number, imaginary number, pure imaginary number, imaginary part, and imaginary unit i

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Set-Builder Notation - Definition and Examples

What is a set-builder notation ? A set-builder notation uses the property of ...

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Graph of a Quadratic Function

What does the graph of a quadratic function look like and how to graph it ?

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Zero Product Property - Definition and Examples

What is the zero product property ? The zero product property states that ...

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Word problem about average

American Communications Network (ACN) of Troy, Michigan, also markets prepaid phone cards, which it refers to as “equity calling cards.” If ACN employs

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A football team and percentage

A football team has 60 players. 42 of the players are seniors. what percentage of the team are seniors? The percentage that are seniors is 42/60 = 7/10

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A Little Tricky Algebra word problem

Navin spent 25% of it and gave 2/5 of the remainder to his brother. He then spent the remainder amount on 9 story books. If each story book costs 12, how

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Three angles in triangle

If one angle is 57 degrees and the second is 2 times the third, what are the three angles? The sum of the angles in a triangle is equal to 180. Let 57

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A Geometry problem involving triangles

ACEF and ACDB are rectangles. BDEF is a square and the length of each side is 1 unit. If BG has a length of a, then what will be the length of AB? Solution

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Calculating Gross Earnings

Bryan works in a men's clothing store. He earns a base salary of $350 per week plus his commission is 5% on all sales. If Bryan's sales in one week total

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A Photographer and Math

A photographer studio charges a sitting fee of $50 and $10 per enlargement ordered. Right an equation to represent the number of enlargements ordered,

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Why Multiply before Adding when doing PEMDAS

Why multiply before adding? The common sense behind doing multiplication before addition

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Why Math is Important - Top 15 Reasons

Why math is important and why you should bother learning it especially in this day and age.

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why is math so hard ? Top 10 reasons why students struggle with math

Why is math so hard ? Top 10 reasons why you may end up believing that math is only for geniuses.

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Factoring using the Box Method

Factoring using the box method. Common pitfalls to avoid when using this method.

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Prime Factorization Calculator

Prime factorization calculator to find the prime factorization of any number

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Find Function Values

How to find function values. A few good examples to understand the concept.

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How to Test for Symmetry

How to test for symmetry - Graphs of relations can have two different types of symmetry.

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Basic Math Review Game - Math adventure!

Basic math review game - The one and only math adventure game online. Embark on a quest to solve math problems!

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Recent Articles

  1. Probability Line - Definition and Examples

    Nov 21, 19 02:38 PM

    What is a probability line ? Things that you must know before doing problems ...

    Read More

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