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How do you write "1988" in Roman numerals?

In Roman numerals, I symbolizes 1, V symbolizes 5, X symbolizes 10, L symbolizes 50, C symbolizes 100, D symbolizes 500 and M symbolizes 1,000. In MCMLXXXVIII, the first M symbolizes a value of 1000. The CM symbolizes 900 by subtracting 100 from 1,000, as it involves a smaller number preceding a larger one. Added together, MCM is equal to 1900. The remaining Roman numerals add up to equal 88.

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What is mental math?

Mental math uses facts about numbers that have been committed to memory. Such facts may include multiplication tables and relationships between numbers. For example, a student solving 86 x 5 might find it quicker to calculate the solution to (86 ÷ 2) x 10 than to write out the algorithmic process. Mental math is practiced in various ways, including finding different ways to calculate a given number.

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What are the different types of lines?

Five types of lines are typically used in geometry:\n\nVertical lines run straight up and down and have an undefined slope.\n\nHorizontal lines run straight across and have a slope of zero.\n\nPerpendicular lines intersect each other at a 90-degree angle. They occur when horizontal and vertical lines meet.\n\nParallel lines are two straight lines that never intersect.\n\nSkew lines are special lines that exist in three or more dimensions and are nonparallel lines that never intersect.\n\nTwo types of lines are typically used in drawing:\n\nA contour line is a single line that creates the outli..

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How do you use a math timetable chart?

According to the cumulative property of multiplication, the order of the factors in a multiplication problem does not affect the product. For example, in the multiplication problem 9 x 2 = 18, 9 and 2 are the factors, while 18 is the product. Whether you locate 9 in the first row and 2 in the first column, or you locate 2 in the first row or 9 in the first column, both interior squares where the columns and rows meet have the same product value of 18. In fact, the top diagonal half and the bottom diagonal half of the multiplication table are always mirrors of each other.\nMultiplication tables..

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What is math about?

Mathematics has been a part of human society since it was developed by the Sumerians. It served as a means of measuring and communicating time, quantity and distance and eventually evolved as societies became more advanced and curious about the nature of the physical world. Important discoveries, such as Einstein's theory of relativity and Isaac Newton's laws of gravity, were based on mathematical formulas and concepts. As a result, math offered science both a "foundation of truth and the standard of certainty," according to Duke University.\nDevelopments in mathematical theory and n..

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What are some properties of a circle?

The radius of a circle is a line segment that starts at the center and touches any point on the circle. Since all points on a circle are an equal distance from the center, the radius of a circle is constant.\nThe diameter of a circle is twice the length of the radius and passes through the center of the circle. It represents the longest line segment that can be contained inside a circle.\nThe circumference of a circle is the length around the circle. The ratio of the circumference of a circle to the diameter of a circle is the irrational number Pi, which is approximately 3.14. To calculate the..

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What is a horizontal line?

A coordinate plan has an x-axis and y-axis. All points on a horizontal line have the same value for the y coordinate in their ordered pair, (x,y). The opposite is true for a vertical line. A vertical line runs parallel to the y-axis, and points on the line contain the same value for their x coordinates. The slope of a horizontal line is zero, meaning the line does not rise or fall.

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Who is the father of modern algebra?

Francois Viète was born in 1540 and served under both King Henry III and King Henry IV, deciphering Spanish codes during France's war with Spain, according to Rutgers. At the time, Viète saw his work not as the start of a new mathematical system but instead as a reworking of existing math standards and practices to make the work easier.

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What is a segmented bar graph?

Segmented bar graphs are usually used to show the makeup of data, such as the genders or races of a group of students. Each bar in a segmented bar graphs is typically the same length because the focus is on the makeup and values within the bar rather than the whole. If the data is showing a comparison between two different sets of values within the same category, a regular bar graph or line graph is more effective.

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How do you find prime factorization?

Determine the prime numbers Write the original number at the top of your paper to begin the prime factor pyramid. Find which two numbers, when multiplied, equal the original number. Write the two numbers underneath the original number with a diagonal line going from the original number to each factor. Find the new factorsDetermine if the two factors of the original number have factors or if they are prime numbers. Prime numbers can only be divided by 1 or by themselves. For example, the numbers 2, 3, 5, and 7 are prime numbers. Continue to factor the original factorsFind the factors of your or..

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