Math

Refine Search

What is the formula to calculate percentages?

Dividing the numerator of a fraction by the denominator rewrites the fraction as a decimal. For example, the fraction 3/4 is another way of saying 3 divided by 4, which yields a quotient of .75. Since .75 x 100 = 75, 3/4 = 75 percent. This same answer can also be found by multiplying the fraction by 100 and reducing, since 3/4 x 100 = 300/4, and 300/4 reduces to 75.

Continue Reading

What are some tips on evaluating indefinite integrals?

Let’s begin with the definition of indefinite integral. It is a function that describes area under the curve from an undefined point to any other point. When it comes to evaluating indefinite integrals, here are a few tips and tricks.\nSymbol ? is represents summation. Integral of any function is not unique. The most important thing to remember is that integration is the reverse of differentiation. If you have already studied differentiation, there is no issue in studying integration.\nHere are some of the basic formulas for indefinite integrals. Whenever you have to evaluate the integration..

Continue Reading

What is the difference between oblong and rectangle?

A rectangle is a parallelogram with four right angles, each of which measures 90 degrees. Oblong is defined as elongated, usually from the square or circular form. When referring to a rectangle, oblong can be described as when one set of parallel sides is longer than the other set. An elongated or oblong square can be classified as a rectangle, while an elongated or oblong circle can be classified as an oval.

Continue Reading

What is the distance formula?

For example, students can imagine an exam question that asks for the distance between points with coordinates (-2, 1) and (1, 5) on Graph A. The first step is to assign the proper "x" and "y" values to each coordinate. In this case, x (sub1) = -2, y (sub1) = 1, x (sub2) = 1 and y (sub2) = 5.\nThe formula shows that distance equals the square root of {-3 - (-1)} (squared) + {5 - (-2)} (squared), further reducing to (-2) (squared) + 7 (squared), or, the square root of 4 plus 49, which is 53. Therefore, the distance between the points is the square root of 53, which is approximately equal to 7.28..

Continue Reading

What is 127.0.0.1?

Applications can use the IP address 127.0.0.1 to access a local computer through TCP/IP by rerouting calls through the computer's network adapter. Importantly, most systems allow the name localhost to resolve to 127.0.0.1. Many applications use the 127.0.0.1 address to designate the application's local functionality. Changing this value in special settings files would therefore link the application to an external IP address as opposed to the loopback operation designated in this instance by default.

Continue Reading

How do you find the interval of convergence?

For a given power series, finding the interval of convergence starts with the ratio test, which involves calculating a value L. To do this on a given power series presented as a function of x, all of the values of n must be increased by one and the entire term multiplied by the reciprocal of the original function. The value L is equal to the limit of the absolute value of the product of the two functions as n approaches infinity. The radius of convergence is determined by getting the orientation of the elements in the series. The power series will converge if L is less than one, and diverge if..

Continue Reading

What is a geometric shape?

Two geometric shapes that share the same basic shape are called "similar to each other." If both shapes are the same size, they are called "congruent." Geometric shapes can be two-dimensional or flat. They can be three-dimensional, meaning they possess depth and volume. Geometric shapes are also broken down into further distinctions based on their properties.

Continue Reading

What do engineers typically calculate on the Z-plane?

The Z-plane is also known as the complex plane, because it is made up of complex numbers. Complex numbers are figures that consist of two parts: a "real" number, such as 6 or pi, and an "imaginary" number, such as the square root of negative 1.\nAC current frequently changes directions, and engineers need to be able to model that accurately. Electrical engineers use the Z-plane for calculating properties of AC circuits because the two parts of a complex number allow for a simple mathematical way to represent the dual directions and amplitudes of alternating current.

Continue Reading

Where can you find large, printable numbers?

Printer Projects offers full-page, single numbers in white, blue, green and red along with numeric suffixes. Pre Kinders also offers full-page, single numbers for printing. Blocklayer allows users to type text and offers the options to select the font type, size and styles such as bold or italic. First Palette has number stencils with either 10 or four numbers per printable page. Printable Alphabets offers large, printable numbers for purchase.

Continue Reading

How do you multiply 2-digit numbers?

Multiply the digit in the ones columnMultiply the ones-column digit in one of the two-digit numbers by the other two-digit number. For example, if the problem is 24 x 31, multiply 4 x 31 to get 124. Remember or record this number.Multiply the digit in the tens columnMultiply the tens-column digit in the first number by the two-digit number. Using the above example, multiply 2 x 31 to arrive at the answer 62. Add the numbersAdd the two numbers together, inserting a zero in the ones column of the second number. In the above example, add the zero to 62 to give 620, then calculate 124 + 620. The a..

Continue Reading
Showing 561 to 570 of 3956 (396 Pages)