TakahiroMaeda

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UsernameTakahiroMaeda
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Questions 8
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 #1
avatar+676 
+8

Yes, You indeed can.

On the top, there is a toolbar.

Click 'Home' or click on this Link : http://web2.0calc.com/

Once you are on that site, you will see a calculator. Now, on the bottom right hand side, there is a button called 'Create Graph'

 

 

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前田隆宏 

Jul 1, 2014
 #1
avatar+676 
+8

To solve this equation the only preknowledge you really need to basic arithmetic skills and the Knowledge of BODMAS, or however you call it: There are many variations. In case you don't know what BODMAS is, i'll run you through. BODMAS breaks down to: Brackets of Division Multiplication Addition Subtraction. This rule simply just states the importance of each symbol. Meaning the First one, is always the most important, in this case Brackets. And following the same rule, subtraction is the least important. Though, usually, when it comes down to Division or Multiplication, it doesn't matter too much for which is in order. This is also the same for Addition and Subtractions. However, Brackets no matter what will always take the first place.

 

Now then let us solve this equation, lets plot it out:

$${\frac{{\mathtt{1}}}{{\mathtt{2}}}}{\mathtt{\,\times\,}}{\mathtt{11}}{\mathtt{\,\small\textbf+\,}}{\mathtt{3.5}}{\mathtt{\,\times\,}}{\mathtt{8}}$$

Now, lets follow the BODMAS rule.

First Priority: The most important Brackets(). Do they exist in this equation?
No.

Second Priority: Do Multiplication or Division exist in this equation?
Sure enough, they do. Now lets apply the rule.

Lets look at the equation again:

$$\textcolor[rgb]{1,0,0}{\frac{1}{2}\times11}+\textcolor[rgb]{1,0,0}{3.5\times8}$$

We will now need to individually solve them, because of the rule. Lets do that!

$${\frac{{\mathtt{1}}}{{\mathtt{2}}}}{\mathtt{\,\times\,}}{\mathtt{11}} = {\frac{{\mathtt{11}}}{{\mathtt{2}}}} = {\mathtt{5.5}}$$

$${\mathtt{3.5}}{\mathtt{\,\times\,}}{\mathtt{8}} = {\mathtt{28}}$$

Now lets substitute them in!

$${\mathtt{5.5}}{\mathtt{\,\small\textbf+\,}}{\mathtt{28}}$$

Remember we need to keep the + sign in there. We haven't done any adding yet!

Now lets progress further through the rule.

Third Priority: Is there any Additions or Subtractions?
Thats no no-brainer! :P

Alright the rule tells us that we need to add all the number influenced by the + sign.

$${\mathtt{5.5}}{\mathtt{\,\small\textbf+\,}}{\mathtt{28}} = {\frac{{\mathtt{67}}}{{\mathtt{2}}}} = {\mathtt{33.5}}$$

There we go. The Answer: 33.5

Note: If you were to do this equation without BODMAS, you would get an different answer. The answer without BODMAS (Incorrect Method of Solving) would be: 72~ See that difference? (BTW thats incorrect :P)

May 29, 2014