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What are some examples of continuous variables?

The other possible type of variable is called a discrete variable. This type of variable can only be certain specific values. For example, when flipping a coin, it can land either on heads or tails. There is no in-between value like 0.5 heads and 0.5 tails. With a continuous variable, the variable can be an infinite amount of numbers between a certain reasonable range.

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How do you calculate discount and sale prices?

For example, if an item's sticker price is $50 and it is on sale for 30 percent off, first convert the discount to a decimal. In this case, it is 0.30. Next, multiply $50 by 0.30 to get $15. Subtract $15 from $50 to get the sale price of $35. Alternatively, subtract the discount percentage from 100 percent, and then multiply the result by the original price.

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What is a number multiplied by itself called?

When the multiplication process is written out in full, the number is called a factor. The number may also be considered a multiplier or multiplicand when the equation is written this way.\nThe product of a number being multiplied by itself is called a square. The product of a number being multiplied by itself many times is called a power of that number. When the number being multiplied by itself is written in terms of the product of that multiplication, it is called the square root of the product.

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What is the Roman numeral for "2"?

The number three is written as "III." An individual numeral may only appear three times in succession within a Roman numeral; as a result, the number four is written as five minus one, or "IV," with V being the Roman numeral for five. When a letter representing a smaller number comes before the letter representing a larger one, the smaller one is subtracted from the larger. The number six is written as five plus one, or "VI." When a letter representing a smaller number follows a letter representing a larger number, the two are added.

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What is the equation for calculating the center of gravity?

The center of gravity for a uniform mass, such as a rectangle or a triangle, is given by a formula, such as "h / 3" for a triangle. A non-uniform mass has a center of gravity given by a double integral for a plane figure and by a triple integral for a three-dimensional object.

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What are the factors of 28?

The number 28 may be presented as a product of 1 and 28, which are two of the factors. It may also be calculated as a product of the following number combinations: 2 and 14, and 4 and 7.\nA convenient way to determine the factors of any number is to start with the number 1. The most basic pair of factors of any number is the number 1 and the number itself, since any number multiplied by one is equal to itself. After this, divide the number by two and check if the quotient is a whole number. If it is, include this pair of divisor and quotient as factors of the number. Continue with number 3 and..

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What is 11/12 as a decimal?

Using this fact, students can find that the fraction 11/12 is equivalent to multiplying 0.083333 by 11. The answer is 0.916663, and it can be rounded to 0.9167. Another way to find the answer is to know that 6/12 +5/12 = 11/12. The fraction 6/12 is equal to the decimal 0.5000. The fraction 5/12 is the same as multiplying 0.08333 by 5, which is 0.416665. By adding 0.5 and 0.416665, it is evident that the result is 0.916665, which can be rounded to 0.9167.

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How many feet of fence is needed to fence an acre of ground?

If the acre is round, however, the necessary fencing is only 740 feet long. An acre shaped like a trapezoid or a rectangle has a different perimeter as well. Therefore, to determine the amount of fencing that can encompass the perimeter of an acre, it is necessary to know the shape of the area.

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What is the highest number?

In 1938, mathematician Edward Kasner used the term "googol" to refer to a number equal to 10^100, or 1 followed by 100 zeros. He also used the term "googolplex" to refer to a number equal to 10^10^100, or one followed by a googol's worth of zeros. A googolplex is so large, even writing out all the zeros would require a time period much longer than the age of the universe.

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What numbers are only divisible by themselves and one?

Prime numbers are also called prime integers. Euclid showed around 300 B.C. that there are infinitely many prime numbers. Being a prime is referred to as a property and is called primality. There have been many algorithms built to try to predict and factor prime numbers and are normally referred to as prime factorization. These algorithms can vary in complexity, but there has yet to be one made that can be used for general purpose use. The opposite of a prime number is called a composite. All even numbers above the number two are considered composite because they have multiple positive integer..

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