June 10, 2023
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# Student Guide

### How to Find Rates and Unit Rates

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When calculating the unit rate, you must include two terms to solve the problem. This is known as the ratio. In other words, you want to find the amount of one term per unit of another term. You must also include the word "per" in the problem. You can use a calculator to determine these rates. Ratio The first step in...

### How to Find Atomic Mass Number of an Elements

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You can find the atomic mass number of an element by following a few simple steps. First, calculate the percentage of natural abundance. Next, calculate the atomic mass. And finally, you should be able to get the number of Neutrons. Once you've got these, you can look up the relative isotopic mass. Atomic mass To find the atomic mass number of...

### How to Calculate Instantaneous Rate of Change

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Instantaneous rate of change is a measure of change in a variable. The instantaneous rate is a measure of how fast something changes in a given period of time. It can be calculated by using position vs. time graphs and by using the tangent line. The slope of a tangent line gives the instantaneous rate of change at a...

### How to Pass the English Common Core Regents Exam

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If you want to pass the English Common Core Regents exam, there are a few tips to help you get the best score. First, prepare yourself properly. It is important to get enough sleep the night before the exam and eat a healthy breakfast. It is also important to wear comfortable clothes to help you stay alert while taking...

### How to Find the Number of Real Zeros in a Polynomial Function

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There are many ways to find the number of real zeros in any polynomial function. There are 12 possible rational zeros in a polynomial, half of which are integers and half of which are fractions. You can use this rule to find the number of real zeros in polynomial functions. Find the x-intercept To find the x-intercept of a function, we...

### How to Calculate Frequency in Hertz

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The SI unit of frequency is Hz. This is inversely proportional to wavelength, and is a measure of the number of oscillations of a waveform per second. It is also used to describe the rate at which a current changes direction. It is an important unit to know if you want to make the most accurate measurements. Hz is the...

### How to Calculate Central Angle Using the Law of Cosines

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The Law of Cosines is a fundamental mathematical principle, and it can be used to calculate central angles. If two points are located on a circle, their central angle will be -1. Similarly, if two arcs are congruent, they will have congruent central angles. Theorem of the law of cosines The law of cosines is a mathematical tool that is used...

### How to Tell Time on an Analog Clock

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The basic way to tell time on an analog clock is to know which hands are on which hour. The three hands are the Hour hand, Second hand and Minute hand. The minute hand points at seven. Counting by fives is another way to read a clock. Here are some examples. Three hands A three-hand analog clock is an old-fashioned clock...

### How to Sum Up an Article

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Here are a few guidelines to help you sum up an article. In your summary, paraphrase the major points in the article, moving from the beginning to the end. Avoid direct quotation, and provide a bibliography. This will help readers easily find sources of information. If you want to avoid plagiarism, you can also add a note to the...