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Alex787 [66]
4 years ago
9

How do you teach me how to do fractions

Mathematics
2 answers:
VashaNatasha [74]4 years ago
6 0
Hi, do you have a specific question with fractions to work on? 
FromTheMoon [43]4 years ago
4 0
When you are adding or subtracting fractions, always find a common denominator first or you cannot add them or subtract them.

When you are multiplying fractions, you can just multiply. You do not have to worry about finding a common denominator. 

When you are dividing fractions, keep the first fraction the same. Then, change the division to multiplication. Always keep in mind that when you are dividing fractions, you are actually multiplying. The last step of dividing fractions is to flip the second fraction to the opposite of what it is. Do not change the sign though.
An example of this is if you had the problem 1/2 divided by 2/3. Your math would look like this:

1/2  /   2/3

1/2 * 3/2

3/4 is the answer

I hope that this helps :)
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State the excluded values for each? 70v^2/100v
sleet_krkn [62]
Ok so any number tat makes the denomenator 0 or makes the inside of a square root negative is restricted
we only have a denomenaor so
100v=0
v=0
therefor 0 is the excluded value since 0/0 doesn't make sense

6 0
4 years ago
8x + y = -39<br> 2x - 5y = 27<br> Solve the system by elimination
Ahat [919]

Answer:

(-4, -7)

Step-by-step explanation:

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5 0
3 years ago
How do you solve <br> 69-3a=0
aleksandrvk [35]
69 - 3a = 0

69 - 3a (-69) = 0 (-69)

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hope this helps
8 0
4 years ago
The mean length of 7 childrens' index finger is 9.4cm. The mean length of 5 adults' index finger is 10.2cm. What is the mean len
Deffense [45]

Answer:

9.73  cm to 2 DP

Step-by-step explanation:

Total of the  lengths involved = 7*9.4 +  5*10.2

= 116.8 cm

So the mean of the 12 fingers

= 116.8/12

= 9.73  cm to 2 DP.

3 0
2 years ago
Read 2 more answers
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makkiz [27]

Answer:

it is the sum of the initial amount and the additional amount after d days

Step-by-step explanation:

yw!!.

7 0
3 years ago
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