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What is matrix division?

The inverse of a matrix A is the matrix that can be multiplied by A to give the identity matrix, in which all diagonal elements are equal to 1 and all other elements equal 0. Some matrices do not have an inverse; these are called singular matrices. One cannot divide by a singular matrix.

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How would you use negative numbers in everyday life?

Negative numbers function just like positive numbers in many ways. They can be put through all basic arithmetic operations and can even be used to find areas and angles in practical geometry.\nIn situations in which something is spent or reduced, a negative number can often be used. For example, if a boy took $20 from his grandmother, he might use part of it to buy 3 packs of cards, each worth $2.50. The equation can be written as basic subtraction, as in 20 - 3*(2.50) = 20 - 7.50 = 12.50) or as multiplication of a negative number, as in 20 + 3*(-2.50) = 20 + (-7.50) = 12.50.\nThe use of negat..

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How many zeros are in 1 quadrillion?

A billion is a thousand million, so it has three zeros for the thousand plus six zeros for the million for a total of nine zeros. A trillion is a million million, so it has six zeros for the million plus six more for the other million for a total of 12. The number googol has 100 zeros, and the number googolplex is a 1 with a googol of zeros.

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What is a closed plane figure with three or more line segments?

A closed plane figure with four line segments is called a quadrilateral. This is the most common type of closed plane figure in geometry. A parallelogram, a rectangle, a square, a rhombus and a trapezium are all examples of quadrilaterals.\nA closed plane figure with five sides is called a pentagon. A six and seven-sided figure is called a hexagon and a heptagon respectively. Similarly, a decagon has ten sides, and an octagon has eight sides.

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What is the derivative of inverse tangent?

The first step in finding the derivative of an inverse tangent is to graph its function to determine its limits as it approaches infinity. Since the tangent and the inverse tangent functions are inverse functions of one another, they are expressed as: f(x) = tan x and g(x) = tan^-1 x.\nBy finding the derivative of g(x), the intermediate function incorporates f(x) to result in a singular fraction that has the secant and the inverse tangent as its denominator. The denominator is then simplified to a term that has the tangent as the only unknown, which is further simplified to obtain the finished..

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What is a typology chart?

Typology charts compare and contrast people, ideologies or events within the same class. For example, a political typology chart may display the contrasting views of different social groups on the same issues. Some typology charts have a timeline design in order to indicate events that occur simultaneously within a certain subject. For example, a biblical typology chart may reference secular and biblical events that occurred within the same time span.

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How do you find the sum or difference of fractions?

Find the LCDWhen the fractions have the same denominator, or bottom number, continue on to solve the problem. When the fractions have different denominators, convert them to equivalent fractions using the LCD rule. \n\nTo find the LCD, calculate the least common multiple of all of the denominators. For example, you are given two-thirds and four-sixths. The least common multiple is six. Convert two-thirds to an equivalent fraction by multiplying the numerator and the denominator by two. The equivalent fraction is four-sixths.Find the sumPerform addition to find the sum of two or more fractions...

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What is the prime factorization of 49?

It is possible for there to be more than one prime factorization for a number, although it is uncommon. The simplest way to find a solution is to divide the original number by its smallest prime factor. In the case of 49, the smallest common factor is 7, and 49 divided by 7 is 7. Since 7 is a prime number, this is the final solution. If the result was not a prime number, the process would be repeated using that new number as the base number.

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What is an 18 times table?

The 18 times table is:1 times 18 = 182 times 18 = 363 times 18 = 544 times 18 = 725 times 18 = 906 times 18 = 1087 times 18 = 1268 times 18 = 1449 times 18 = 16210 times 18 = 18011 times 18 = 19812 times 18 = 216The use of the times table has been attributed to Pythagoras, and it is called the "Table of Pythagoras" in France and Italy.

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What is the spiritual meaning of the number 25?

There are many occurrences of the number 25 in the Bible. Judah's King Jehoshaphat ruled the city for 25 years, and King Amaziah began his rule of Judah at age 25.When the prophet Ezekiel had visions of a temple, it was during his 25th year as a captive. The prophetic temple had five or more measurements that were each 25 cubits in length. The King James version of the Bible has at least eight verses of the word of God that contain 25 letters of the alphabet.

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