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9/12 smlified My math homework tells me that 9/12 needs to be simplified, but I tried to do it 29 times and I still can't get it!

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TRY 3 OVER 4 IE 3 QUARTERS

Posted on Jan 20, 2009

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How to convert dec to bin kenko kk-82tl-5?


Decimal is base 10 and binary is base 2.

The columns from right to left in base 10 are:

10^10 10^9 10^8 10^7 10^6 10^5 10^4 10^3 10^2 10^1 10^0
Similarly, the columns from right to left in base 2 are:
2^10 2^9 2^8 2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0

This site does a good job of explaining the conversion from decimal to binary.

http://www.math.grin.edu/~rebelsky/Courses/152/97F/Readings/student-binary

For example, take the number 157. The biggest column that goes into 157 is 128, which is the 2^7th column, so we put 1 in that column. Subtracting 128 from157, we get 29. We start all over again. The biggest binary number going into 29 is 16, which is the 2^4th column. When you subtract 16 from 29, you get 13. We start all over again. The biggest binary number going into 13 is 8. Subtracting 8 from 13, we get 5. Biggest number going in is 4, 2^2th column. 1 left over to go into the 2^0 column.

Pulling it all together, we get:

10011101.

Checking, 128 + 16 + 8 + 4 + 1 = 157.

Good luck.

Let me know if you have any questions.

Paul

May 14, 2016 | Calculators

2 Answers

Math lessons 2 4


d = -3/8

This looks like homework. Make sure you show your work.

Oct 22, 2013 | Calculators

1 Answer

9[x+8] + 10 < 55


Use the order of operation rules backward until you isolate x
9(x+8) +10-10< 55-10 : subtract
9(x+8) < 45 : simplify
9(x+8)/9 <45/9 :divide
(x+8) <5 :simplify
x+8 <5 : open parentheses (brackets)
x+8-8<5-8 :subtract
x<-3 : simplify
So, your solution set is the set of all real numbers strictly less than -3 or S=]- infinity, -3[

Sep 16, 2013 | Calculators

1 Answer

How To put brackets in your calculator


Use the parentheses just above the 8 and 9 keys. The TI-84 uses those keys for list and array indices as well as for parentheses.

Oct 09, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

Simplifying radicals on fx-115ES


If your calculator is SetUp for Math Input/Output (MATHIO), a result that gives a radical will remain in radical form. If a radical appears in a denominator the whole expression is rationalized: Any radical left is put in the numerator. 1/Sqr(3) is displayed as Sqr(3)/3.

Feb 01, 2012 | Casio FX-115ES Scientific Calculator

1 Answer

How do i input fractions on the calculator to get the simplified form


Just use the division sign. For example:
If you wanted to put 12/6 in a simpler form, enter it as:
12/6
to get:
2/1
The calculator might give you a decimal, if this happens, press MATH- ENTER- ENTER and you will get a fraction.

Jun 15, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

2/3-5/6


The way they tell you in math class is to convert the (2/3) into 6ths (2/3) = (4/6) the every thing is easy.

But what if one fraction won't go convert easily.

Then you must rely on the "Idiot Zorro" method.

Unlike the real Zorro, who would mark his victims' faces with a "Z" and let them live, The Idiot Zorro would mark his victims faces with an "X" and then cut off their heads.

What does this mean

2 5
--- [minus] ---
3 6

make an "X" (in your head) by multiplying
(2*6) and (3*5) or 12 - 15 = -3 This goes on the top. (note: if the problem is an addition problem, you add instead of subrtract)

Then cut off the head by multiplying (3 * 6 ) = 18 This goes on the bottom.

-3 -1
---- Now simplify -----
18 6

simple, and can be done in one's head usually.

Oct 20, 2009 | Calculators

2 Answers

I need to convert decimals to fractions


Hello,
Press [MATH][1:ToFrac] to convert an aswer to fraction.
If you enter 18.52[ToFrac] [ENTER gives 463/25

[MATH][2:ToDEC] converts a fraction to a decimal number.
Hope it helps.

Sep 22, 2009 | Texas Instruments TI-84 Plus Silver...

3 Answers

How do I on a TI-84 Plus Simplify Fractions


Enter the fraction for example: enter 8/12.
The answer will be .666666
Then click Math (which is located under the Alpha button).
Click the ->Frac button (the first one).
It should come up as Ans->Frac.
Click Enter.
It should now read 2/3 which is 8/12 reduced.
Note: I have a TI-84 Plus Silver Edition, and the TI-84 Plus might not have this function, but that is how I do it on my TI-84 Plus Silver Edition

Nov 08, 2008 | Calculators

3 Answers

Fraction button directions


Yeah, there isn't a fraction button on an 84. You have to enter it manually as 4/9 or if simplifying a decimal, use the Ans>Frac under the MATH menu

Aug 26, 2008 | Texas Instruments TI-84 Plus Calculator

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