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storchak [24]
3 years ago
6

Can someone help me please???

Mathematics
1 answer:
erastovalidia [21]3 years ago
7 0
Let's start out with the general rule for simplifying fractions:

-- To simplify a fraction, look for a number that goes into
the numerator and denominator (a common factor). 

-- If you find one bigger than ' 1 ', then divide the numerator
and the denominator by it. 

-- Then try it again. 

-- When you don't find any common factor except ' 1 ',
then the fraction is in simplest form.
_________________________________________

On your Practice 9-2 sheet:

#1).  5/10
' 5 ' can go into both the numerator and the denominator,
so divide them both by it.  Then you have  1/2 .

#4).  3/15
' 3 ' can go into both the numerator and the denominator,
so divide them both by it.  Then you have  1/5 .

#7).  2/18
' 2 ' can go into both the numerator and the denominator,
so divide them both by it.  Then you have  1/9 .

#8).  25/60
' 5 ' can go into both the numerator and the denominator,
so divide them both by it.  Then you have  5/12 .

#9).  12/72
' 2 ' can go into both the numerator and the denominator,
so divide them both by it.  Then you have  6/36 .

That's not the simplest form yet.  ' 2 ' can go into both the
numerator and the denominator again, so divide them both by it. 
Then you have  3/18 .

That's STILL not the simplest form.  ' 3 ' can still go into both the
numerator and the denominator, so divide them both by it. 
Then you have  1/6 .  That's the simplest form.

#11).  The fraction of the test that will be word problems is

         (the number of word problems)
divided by
         (the total number of questions on the test) .

The total number of problems on the test is (20 + 10 + 5) = 35 .

So the word problems will be  5/35  of the test.
Simplify that.

Do EVERYTHING on this sheet the same way.  This sheet is
nothing but 14 different problems in simplifying fractions.
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Plz help me im desparate....but actually dothe question and not just come up w/ a phony anwser.....
olga nikolaevna [1]
It might be helpful to write up the question like this:
300=100%
3=1%
120=

If you do this, you’ll see that the question is really easily solved by just finding the number necessary to multiply 3 with to get 120.

If you understand this, the rest should follow.
7 0
3 years ago
What are 2 binomials that are factors of this trinomial? x^2-x-20
S_A_V [24]

Answer:

(x-5) (x+4)

Step-by-step explanation:

x^2-x-20

What two terms multiply to -20 and add to -1

-5*4 = -20

-5+4 = -1

(x-5) (x+4)

8 0
3 years ago
Read 2 more answers
6(x-2=4(x+3) what does x equal
Delicious77 [7]

Hey mate here is your answer.

➛ 6(x-2) = 4(x+3)

➛ 6x-12 = 4x + 12

➛ 6x - 4x = 12 + 12

➛ 2x = 24

➛ x = \frac{24}{2}

⛬ x = 12

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3 years ago
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3 years ago
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A coat at a store is originally priced at $54.99. The store marks the price down to $32.99. To the nearest percent, what is the
Dmitry_Shevchenko [17]

Answer:

66.6%

Step-by-step explanation:

Step one

given

A coat at a store is originally priced at $54.99

The store marks down the price down to $32.99

Required

the percent decrease

Step two:

the percent decrease= change in price/ old price*100

the percent decrease= 54.99-32.99/54.99*100

the percent decrease= 22/ 32.99*100

the percent decrease= 0.666*100

the percent decrease= 66.6%

6 0
3 years ago
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