Math

Refine Search

How do you calculate the percentage of error?

Find the errorSubtract the experimental value from the exact value to get the error value.Divide the error by the exact valueDivide the error value by the exact value, and record the answer in decimal form.Calculate the percentage of errorMultiply the quotient in step two above by 100 percent to get the percentage of error. For instance, if the exact value is 30 and the experimental value is 27, the percentage of error is 10 percent.

Continue Reading

How do you find the range of a set of numbers?

Put the data in numerical orderTo put the data in numerical order, rearrange the numbers so the first number in the set is the smallest number, and every following number is bigger than the previous one. For example, if your data set is 4, 7, 6, 1 and 12, rearrange the set to be in numerical order from least to greatest by putting the numbers in order: 1, 4, 6, 7 and 12. Find the least value and the greatest value in the setWhen the data set is in order from least to greatest, the least value should be the first number in the set, and the greatest value should be the last number. In the previ..

Continue Reading

What are some practical applications of binary logic gates?

A binary logic gate, in standard computing, is an electronic device used to represent binary information by being in a high-voltage or low-voltage state. A flip-flop, which is one of the simplest, stays in one of these states until it receives a signal to change. A single flip-flop represents one bit.\nHalf-adders and full-adders perform mathematical operations by using logic gates that represent certain truth values. They provide the foundations of programmable computers.

Continue Reading

How do you run programs on a TI-89 calculator?

Access the list of programsTurn on the TI-89 calculator by pressing the On button. Click the Home button. You must be on the home screen to access the list of programs. Press the Subtraction button to view the Var-Link menu, which is the list of programs.Select the programUse the arrow keys to choose the program you want to run on the calculator. You may need to install a program if you don't already have the right one on your TI-89. Once you've found the program, highlight the program. Then press Enter. The program is copied on the Home screen. Run the programComplete the process of..

Continue Reading

What is the way to convert ratios?

Simplify multiple ratiosSimplifying a ratio may involve working with multiple ratios. If you are adding the ratios, ensure that the denominators are the same. For example, if you are given 2/3 and 1/2, the least common denominator is six. Divide this number by the denominator in the fraction, and multiply that result by the numerator. If you are asked to multiply two ratios, use cross-multiplication. To do this, multiply the numerator of one ratio by the denominator of the other. Do this for both numbers. Simplify a single ratioSimplify a single ratio by ensuring that it is in the lowest comm..

Continue Reading

What is a point in geometry?

Points are typically identified on a plane by a single dot with a capital letter. A point is a thing, but it is not considered a place in math. There are no dimensions for a point, which means that it has no width or height.\n\nPoints that fall along the same plane are called coplanar points. If the points fall along a straight line, they are then called collinear.\n\nAnother type of mathematics exists called coordinate geometry. With this kind of match, points are located on a plane by using their coordinates directly. The coordinates are two numbers that identify where a point is based on tw..

Continue Reading

How do you round a number to the nearest tenth of a percent?

Rounding to the nearest tenth of a percent is a way to simplify a statistical recording of a percentage. In grading, for instance, teachers may round for simple recordkeeping. If a student achieves an 82.34 percent, a teacher may round to 82.3 percent or even eliminate the tenth and round to 82 percent. A calculator often shows this percent as 0.8234, which represents 82.34 percent.

Continue Reading

What is the square root of 67?

It is possible to find the square root of a number without a calculator. First, find the value of the two square roots that the number is lying between. Second, divide the number by one of those square roots (preferably the smaller of the two). Third, average the result of the division and the denominator. Finally, keep repeating this method until the answer is more accurate (square the results to see if it's close to the answer). Example: the square root of 67 lies between the numbers 8 and 13. Divide 67 by 8 and round (8.375). Average 8.375 and 8: (8.375+8)/2 =8.1875. Repeat Part 2: (6..

Continue Reading

What is a multiplier in math?

Multiplication is one of the four fundamental arithmetic operations, which also include addition, subtraction and division. The multiplication sign is usually denoted by the letter "x." This operation basically involves the repeated addition of one number to itself for a specific number of times.In the multiplication expression 5 x 4 = 20, 5 is the multiplier, 4 is the multiplicand and 20 is the product. Using the long form addition process, this expression can also be written as 4 + 4 + 4 + 4 + 4 = 20. Multipliers and multiplicands are also called "factors."

Continue Reading

How do you practice for a 6th grade math test?

Math is different from other subjects such as history or biology, because it requires active practice to demonstrate understanding instead of memorization, indicates Study Skills Online. Proficiency in math requires the ability to understand a problem, recognize its structure and implications, identify the correct tool to solve it, apply that tool, and then evaluate the answer achieved.\nTime 4 Learning states that for sixth graders, this means the student must discipline him or herself to train the pattern recognition skills required to solve a problem. Problems should be worked on a regular ..

Continue Reading
Showing 761 to 770 of 3956 (396 Pages)