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What are some good Pearson Math textbooks?

Pearson sells enVisionMath books to schools as the core curriculum for children from kindergarten to grade six. The course received validation from the United States Department of Education, which stated it increased the students' mathematical abilities. A consumer review of the enVision books on HomeschoolEncouragement.com highlights the excellent visuals and layout and says the book is a good value.

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What is the Fundamental Theorem for Line Integrals?

In order for the theorem to work, the line integral must be independent of the path because all that is required are the initial and final points of curve C. The gradient theorem for line integrals can only work in a conservative vector field because it is path-independent. The use of the gradient theorem simplifies the process of finding line integrals, since all that is required is to find out if the vector field is conservative.\nThe easiest way to determine if a vector field is conservative is by finding its potential function. An important definition relating to line integrals is a closed..

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How do I calculate the apothem of a triangle?

An apothem of a regular polygon is any line running from the center of the polygon to the midpoint of a side. Every regular polygon has multiple apothems, depending on the number of sides; a polygon with n sides has n apothems. One method of calculating an apothem uses the length of any side of the polygon. Divide 180 by the number of sides of the polygon, which is three in the case of a triangle, and multiply the tangent function of this value by two. Finally, divide the length of one side of the triangle by the previous value. This calculation yields the apothem from the center to that speci..

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What is zero squared?

Exponents are a convenient way to simplify large chains of multiplication of a single number. They are small numbers written over a base number. This is equivalent to stating that the base number is multiplied by itself as many times as the exponent is in size. For example, 53 is equal to 5*5*5, which is 125. When a number has a large exponent, it saves time and space to write it as an exponent rather than expanding it.

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What are some tricks to use when multiplying special case polynominals?

The FOIL method states which terms come first in a binomial multiplication problem. The method's letters stand for "first terms," "outside terms," "inside terms" and "last terms." Mathematicians use the distributive property on these four terms in each binomial. The distributive property combines like terms to make the binomial easier to read and solve for the variable.\nConsider the example of the problem (3x + 5)(2x - 7). To solve using the FOIL method, the first terms need to be multiplied, then the outside terms, followed by the inside terms and then the last terms. This is written ou..

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What is a scatter plot generator?

A scatter plot is a type of mathematical diagram that shows the relationship between variables. The values needed are taken from two lists. One list is the horizontal or X axis, called the domain or input. The other list is the vertical or Y axis, called the range or output. Each X value must be paired with a Y value. The scatter plot generator visualizes these points so that a person can interpret the relationship between X values and Y values.

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What is 25 percent of 100?

When using proportions to calculate percentages, one must first set up the proportion. In this case, x/100 = 25/100. It may be easy to see that x = 25, but the correct method is to multiply across the equal sign to remove the fractions. Then the result is 100x = 2,500, which simplifies to x = 25.

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Why is 2 the only even prime number?

Even numbers that are higher than 2 are composite numbers, because they have already themselves, 2 and 1 as definite divisors. There is an infinite number of primes, all of which (except the number 2) are odd numbers. A simple way to determine the primality of a number is through trial division, which is done by dividing the number starting with the divisor 2 and up to the number's square root. If any of the quotients doesn't have a remainder, then the number is not a prime number.

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How do you calculate for the root-mean-square speed?

Find the temperature of the gasAll formulas for determining the root-mean-square speed require a temperature measurement expressed in Kelvin. If necessary, convert to Kelvin from Celsius or Fahrenheit measurements. Find the massDepending on the constant used, the formula for root-mean-square speed requires either the molar mass of the gas or the mass of a single molecule of the gas. Express the molar mass with the kilograms per mole unit, converting from grams if necessary. The mass of a single molecule can be determined through energy formulas. Choose the constantIf you are using the molar ma..

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What is the square root of 89?

Sometimes, it is possible to simplify square roots by factoring out the square of a whole number. However, since 89 is a prime number, it is not possible to simplify it any further. The easiest way to determine the square root is to use the appropriate function on a calculator. Graphing calculators contain a square root function that is not always available on basic calculators.

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