Card from Yetao Card From Ben

# Category Archives: Yetao

## Protected: Yetao 的照片

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## Yeti Math Bloggie 34: Alina’s Cookies :P

Yo peeps, Yeti here! As a lover of cookies 😛 I shall put a math related cookie problem in this post, because I merely feel like it. We start with the problem itself: When Alina was hungry she ate c cookies, which was 30% of all the cookies she had. How many cookies did she have in …

## Yeti Math Bloggie 32: Fraction Calculations

The denominator of a certain fraction was 147 greater than its numerator. What was the denominator of this fraction, if after the fraction was reduced it became ? We can assume the numerator is , then the denominator is , and we have the following equation: (1) The following steps solve the equation: (2) …

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## Yeti Math Bloggie 32: Solving Inequalities

Yo peeps! Yeti here, explaining the steps of inequality solving. We shall start by examining the following problem: (1) Our first step would be to make the expression equal to 5. We can then get the following equation: (2) After solving, we can get that the . But if you remember, the original …

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## Yeti Math Bloggie 31: Distance, Speed and Time

Yo peeps, Yeti here, explaining the topic of speed, distance and time. Now, Yeti here is on a very tight schedule here and so this post shall be very short and basic. So, lets start with relationships. (1) (2) (3) Now, we shall present you with a problem and guide you through …

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## Yeti Math Bloggie 28: The Wonders of Absolute Value Explained

So first, Yeti must say zat absolute value is pretty easy to learn! I, Yeti shall also explain how they can be used in equations and other helpful stuffs. Lets start by reviewing the definition shall we? Absolute value: How far away is a # on a number line from zero Now, if you do …

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## Protected: Computer is hacked by kids again.

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## Yeti Math Bloggie (27): Definition Of Slope and the Equation of a Straight Line

As the following picture shows, the slope of a straight line can be found by using the coordinates of two points and on the line as: (1) A straight line consists of many points, and every point has an abscissa and an ordinate . For a straight line there is an equation which …

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## How can you make 51 by using 5, 6, 7, 8?

How can you make 51 by using 5, 6, 7, 8? It is impossible to make 51 by just using arithmetic operations like , but if more advanced operations are allowed, here is a solution: (1) Here is the program I used to find the solution. One of my colleagues contributed even a fancy …