Math

Refine Search

How do you calculate for linear mass density?

Find the massDetermine the mass of the string by directly weighing it with a scale.Find the lengthDetermine the length of the string by using a measuring device, such as a tape measure.Calculate the linear densityDivide the mass by the length. The quotient is the linear density of the length of the string weighed and measured. The expression used to describe this equation is that linear density is the mass of the string per unit length.

Continue Reading

What is the way to calculate the area of an irregular shape?

Most irregular shapes are a combination of two or more regular shapes. These shapes could be a result of a triangle and a rectangle or two rectangles. The shape should be divided into two or more separate parts that form regular shapes. It is important that the dimensions of the irregular shape should be the same size when they are divided into regular shapes. This is especially important in geometry problems that are on paper.\nTo find the exact dimensions of a regular shape in real life applications, the shape can simply be remeasured. It is important that the exact area of the shape be disc..

Continue Reading

Are intersecting lines always coplanar?

The two lines will not always share all planes, though. They can be coplanar on the same horizontal plane, for example, but not be on the same vertical plane. To determine the plane the two lines share, three points are required. The point of intersection is the first point, and then one point on each line determines the plane on which the two lines are coplanar. Also, in a three-dimensional space, parallel lines are coplanar, but skew lines, which do not intersect and are not parallel, aren't.

Continue Reading

What are some player statistics kept by high school basketball teams?

These categories can be broken down further or extrapolated to create more detailed and sometimes hypothetical information. For example, total points scored can be subdivided into two-point field goals, three-point field goals and free throws. Rebounds may be broken down by whether they occurred while the player was on offense or defense.\nAdvanced statistics, such as a player's impact against specific opponents or in specific game situations, are often gathered at higher levels of play but are less commonly calculated by high school programs.

Continue Reading

What is common response in statistics?

A variable refers to an entity that can take on a numerical value or a certain characteristic. Variables are classified based on their type and purpose. There are two kinds of variables according to type: quantitative variable and categorical variable. A quantitative variable is a numerical measurement of data that is used in mathematical calculations.Examples of this type of variable include age, height, temperature and salary. A categorical variable is any variable that is non-numeric. Examples of categorical variables include gender, party affiliation, school attended and hair color. In som..

Continue Reading

How do you do percentages in math?

In frequent percentage cases, “of” is given to indicate “times.” If you need to find 20% of 1600, you first convert the percentage “20%” to its decimal form, which is 0.2. Then, since “20 percent of 1600” tells you to multiply the 0.2 and the 1600, you get: (0.2) (1600) = 320.\nA percentage is a fraction of 100. For instance:\n40% (40 in each 100) as a fraction is 40/100.\n40% as a decimal is 0.4.\nIn calculating percentages, two values are provided, or at least enough information to figure them out. You are required to select a variable for the missing value, write an equatio..

Continue Reading

Who discovered algebra?

The Babylonians pioneered many of the basic usages of algebra. A tablet dated between 1900 and 1600 B.C. contains Pythagorean triples and other advanced mathematics. There is also evidence of rudimentary algebra in Ancient Egypt, including a document on linear equations that is one of the earliest mathematical proofs ever discovered. While the Ancient Greeks were better known for other forms of mathematics, they did devise a form of geometric algebra that used the sides of objects to represent algebraic terms. Mathematicians from present day India and China also developed early versions of alg..

Continue Reading

What are the factors of 9?

To find factors of larger numbers, it is useful to know the different divisibility tests. For example, there are tests to see if a given number is divisible by 2, 3, 4, 5, 6, 9 and 10. The divisibility rule for 3 states that a number is divisible by 3 if the sum of its digits also can be divided by 3. By using this rule, it is evident that a number like 27, for which the sum of the digits 2 and 7 is equal to 9, is also divisible by 3.

Continue Reading

What is the prime factorization of 150?

AAA Math states that a prime number is a whole number that has only itself and one as factors. For example, seven is a prime number because its only factors are 1 and 7. Prime numbers are not always small; for example, 71 is a prime number. In contrast, a composite number has at least one other factor other than itself and one. Eight is a composite number, because 8, 1, 2, and 4 are all factors. Like prime numbers, composites numbers range from small to large.

Continue Reading

What are some ways for teachers to use number lines?

A number line contains 0, negative numbers to the left of 0 and positive numbers to the right of 0. To add numbers together, students need to move to the right, however, to subtract, the student moves to the left. For example, when subtracting 10 - 6, the student should locate 10 on the number line and moves six tick marks to the left of 10 to reach 4.

Continue Reading
Showing 291 to 300 of 3956 (396 Pages)