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Can integers be negative?

Numbers are divided and classified by types. Like integers, natural and whole numbers are also types of numbers. Natural numbers, sometimes called counting numbers, are used for counting and ordering objects. They are the first numbers children learn in school. They begin with one and span as far as a person can count. Whole numbers include all natural numbers in addition to zero and, like natural numbers, are always positive.

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What is a very hard math equation?

The equation was proposed by the physicist Lee Jacobi and mathematician Daniel Madden in 2008. The Jacobi-Madden equation is notable because it represents a solution to the an equation proposed by Leonhard Euler in 1772. The Jacobi-Madden equation proves that there are potentially infinitely many solutions using nonzero integers to the 1772 equation.

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What instrument is used to determine the volume of a regular-shaped object?

There are two sets of jaws in the Vernier caliper, which measure the internal and external dimensions of any object. The object can be rectangular or cylindrical. According to Britannica, there is a graduated fixed scale and a movable Vernier scale in the instrument. The fixed scale provides the basic reading for the measured distance, and the Vernier scale provides the precise fractional reading.

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What fractions are less than one half?

A fraction is not a whole number, but instead it is a representation of a whole. For example, if there is a single pie, then the individual slices would be a fraction of the pie itself. In the instance of the pie having six slices, then every single slice would represent one-sixth of the whole pie. One-half is a very special fraction as it represents half of a whole. For example, one-half of a pie with six slices would be three slices or three-sixths.\nThere are several ways to determine if a fraction is less than one-half. One of the simplest methods is to observe the numerator and denominato..

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What are some example of a pictograph chart?

Say the apple sales example from above includes the number of apples sold from January to April. One apple icon is next to "Jan" on the pictograph, which means 100 bushels were sold in that month. February, or "Feb," has four apple icons for 400 bushels. March, or "Mar," contains two and a half apple icons for 250 bushels. Exact figures are not represented, such as 248 bushels sold in March; 250 is the closest figure shown on the pictograph.\nAnother example shows ice cream sales in a school cafeteria during a school year from September to June. The pictograph shows the months down the left si..

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How do you make a tetrahedron?

Design your tetrahedronBecause tetrahedrons can be made in a number of ways, the first step is to design your product. One of the easiest ways to make a sturdy tetrahedron is to design a frame out of six segments of equal lengths. These segments can be made out of toothpicks, bobby pins or other small straight objects you can find around the house. If you connect three of the segments to form one equilateral triangle, you can use this triangle to trace the dimensions onto any paper, fabric or even wood you might want to cut out and build around your frame.Prepare the materials for your tetrahe..

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What are the 30-60-90 triangle rules?

The other general rules of triangles apply to the 30-60-90 version. A triangle must be a closed three-sided figure, which is also referred to as a three-sided polygon. The area of the triangle must be equal to half of the product of the base and height and no one side of the triangle can be greater than the sum of the other two. Since this is a right triangle, the Pythagorean theorem applies, with the square of the hypoteneuse equal to the sum of the squares of the remaining sides. The median of a triangle can be found by taking a line from one of the vertices (corners) to the opposite side. I..

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What is the difference between explanatory variables and response variables?

Whereas a study can be without a response variable, there can be several explanatory variables. The naming of a response variable is determined by the type of study. An observational study is an example of an investigation without a response variable, as when a researcher studies the mood and attitudes of a group of first-year students. All the first-year students may be given several questions to examine the homesickness degree of a student. Students may also indicate how distant home is from the college. A researcher examining this data may only be interested in the students’ responses, pe..

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What is the slope formula?

For example, if the points (1, -4) and (-4, 2) both lay on the same line, the slope of that line equals (2 - -4) over (-4 - 1), or 6 over -5. Since a straight line has only one slope, the slope of the line is -6/5 regardless of which points on the line are plugged into the slope formula.

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What is the ascending order of fractions?

In order to put fractions into ascending order, they must first be compared based on size. One way to do this is to compare the numerators directly after making both fractions have a common denominator. This can be done systematically until there are no more fractions in the group. An alternative method is to convert all the fractions to decimals to make comparing by inspection obvious. The numbers can then be converted back to fractions, if desired.

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