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Making line graphs to show change over a period of time is a straightforward process. Instead of drawing bars, a dot is used at the correct height Take a look at the following line graph. Then, we will explain some of its features The title is ” Scores on a basic math test” The scale is at the left of the graph. The distance between each square is 10, so the scale is 10 It shows scores for a student over a period of time or after taking 10 basic…
Description Mathematical Formulas For Industrial and Mechanical Engineering serves the needs of students and teachers as well as professional workers in engineering who use mathematics. The contents and size make it especially convenient and portable. The widespread availability and low price of scientific calculators have greatly reduced the need for many numerical tables that make most handbooks bulky. However, most calculators do not give integrals, derivatives, series and other mathematical formulas and figures that are often needed. Accordingly, this book contains that information in an easy way to access in addition…
Free math answers are available on all types of math questions such as basic math, numbers, algebra, logarithm, trigonometry, and pre-calculus homework questions with step-by-step. In free math answers, these are the questions asked by the students to show it in step-by-step solution. 1. In a group of cows and chickens, the number of legs was 14 more than twice the number of heads. The number of cows was: (a) 5, (b) 7, (c) 10, (d) 12, (e) 14 Solution: Let the number of cows be x and their legs…
Find here a comprehensive list of basic math formulas commonly used when doing basic math computation Average formula: Let a1,a2,a3,……,an be a set of numbers, average = (a1 + a2 + a3,+……+ an)/n Fractions formulas: Converting an improper fraction to a mixed number: Formula for a proportion: In a proportion, the product of the extremes (ad) equal the product of the means(bc), Thus, ad = bc Percent: Percent to fraction: x% = x/100 Percentage formula: Rate/100 = Percentage/base Rate: The percent. Base: The amount you are taking the percent of. Percentage: The answer…